diff --git a/.circleci/config.yml b/.circleci/config.yml
index e157f8f223b..318f4d2be19 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -153,7 +153,7 @@ jobs:
       - run:
           command: ./bin/rails db:migrate
           name: Run all pre-deployment migrations
-          evironment:
+          environment:
             SKIP_POST_DEPLOYMENT_MIGRATIONS: true
       - run:
           command: ./bin/rails db:migrate
diff --git a/.env.production.sample b/.env.production.sample
index 8eeff3794aa..4fc58072f1d 100644
--- a/.env.production.sample
+++ b/.env.production.sample
@@ -58,7 +58,7 @@ SMTP_SERVER=smtp.mailgun.org
 SMTP_PORT=587
 SMTP_LOGIN=
 SMTP_PASSWORD=
-SMTP_FROM_ADDRESS=notificatons@example.com
+SMTP_FROM_ADDRESS=notifications@example.com
 
 # File storage (optional)
 # -----------------------
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8e9d6ea1d8f..d8fde27fe30 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -87,7 +87,7 @@ All notable changes to this project will be documented in this file.
 - Fix suspended accounts statuses being merged back into timelines ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16628))
 - Fix crash when encountering invalid account fields ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16598))
 - Fix invalid blurhash handling for remote activities ([noellabo](https://github.com/mastodon/mastodon/pull/16583))
-- Fix newlines being added to accout notes when an account moves ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16415), [noellabo](https://github.com/mastodon/mastodon/pull/16576))
+- Fix newlines being added to account notes when an account moves ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16415), [noellabo](https://github.com/mastodon/mastodon/pull/16576))
 - Fix crash when creating an announcement with links ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16941))
 - Fix logging out from one browser logging out all other sessions ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/16943))
 
@@ -420,7 +420,7 @@ All notable changes to this project will be documented in this file.
 - Fix inefficiency when fetching bookmarks ([akihikodaki](https://github.com/mastodon/mastodon/pull/14674))
 - Fix inefficiency when fetching favourites ([akihikodaki](https://github.com/mastodon/mastodon/pull/14673))
 - Fix inefficiency when fetching media-only account timeline ([akihikodaki](https://github.com/mastodon/mastodon/pull/14675))
-- Fix inefficieny when deleting accounts ([Gargron](https://github.com/mastodon/mastodon/pull/15387), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15409), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15407), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15408), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15402), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15416), [Gargron](https://github.com/mastodon/mastodon/pull/15421))
+- Fix inefficiency when deleting accounts ([Gargron](https://github.com/mastodon/mastodon/pull/15387), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15409), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15407), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15408), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15402), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/15416), [Gargron](https://github.com/mastodon/mastodon/pull/15421))
 - Fix redundant query when processing batch actions on custom emojis ([niwatori24](https://github.com/mastodon/mastodon/pull/14534))
 - Fix slow distinct queries where grouped queries are faster ([Gargron](https://github.com/mastodon/mastodon/pull/15287))
 - Fix performance on instances list in admin UI ([Gargron](https://github.com/mastodon/mastodon/pull/15282))
@@ -507,7 +507,7 @@ All notable changes to this project will be documented in this file.
 - Add blurhash to link previews ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13984), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14143), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/13985), [Sasha-Sorokin](https://github.com/mastodon/mastodon/pull/14267), [Sasha-Sorokin](https://github.com/mastodon/mastodon/pull/14278), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14126), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14261), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14260))
   - In web UI, toots cannot be marked as sensitive unless there is media attached
   - However, it's possible to do via API or ActivityPub
-  - Thumnails of link previews of such posts now use blurhash in web UI
+  - Thumbnails of link previews of such posts now use blurhash in web UI
   - The Card entity in REST API has a new `blurhash` attribute
 - Add support for `summary` field for media description in ActivityPub ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13763))
 - Add hints about incomplete remote content to web UI ([Gargron](https://github.com/mastodon/mastodon/pull/14031), [noellabo](https://github.com/mastodon/mastodon/pull/14195))
@@ -530,7 +530,7 @@ All notable changes to this project will be documented in this file.
   - The `meta` attribute on the Media Attachment entity in REST API can now have a `colors` attribute which in turn contains three hex colors: `background`, `foreground`, and `accent`
   - The background color is chosen from the most dominant color around the edges of the thumbnail
   - The foreground and accent colors are chosen from the colors that are the most different from the background color using the CIEDE2000 algorithm
-  - The most satured color of the two is designated as the accent color
+  - The most saturated color of the two is designated as the accent color
   - The one with the highest W3C contrast is designated as the foreground color
   - If there are not enough colors in the thumbnail, new ones are generated using a monochrome pattern
 - Add a visibility indicator to toots in web UI ([noellabo](https://github.com/mastodon/mastodon/pull/14123), [highemerly](https://github.com/mastodon/mastodon/pull/14292))
@@ -556,7 +556,7 @@ All notable changes to this project will be documented in this file.
 - Change boost button to no longer serve as visibility indicator in web UI ([noellabo](https://github.com/mastodon/mastodon/pull/14132), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14373))
 - Change contrast of flash messages ([cchoi12](https://github.com/mastodon/mastodon/pull/13892))
 - Change wording from "Hide media" to "Hide image/images" in web UI ([ariasuni](https://github.com/mastodon/mastodon/pull/13834))
-- Change appearence of settings pages to be more consistent ([ariasuni](https://github.com/mastodon/mastodon/pull/13938))
+- Change appearance of settings pages to be more consistent ([ariasuni](https://github.com/mastodon/mastodon/pull/13938))
 - Change "Add media" tooltip to not include long list of formats in web UI ([ariasuni](https://github.com/mastodon/mastodon/pull/13954))
 - Change how badly contrasting emoji are rendered in web UI ([leo60228](https://github.com/mastodon/mastodon/pull/13773), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/13772), [mfmfuyu](https://github.com/mastodon/mastodon/pull/14020), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/14015))
 - Change structure of unavailable content section on about page ([ariasuni](https://github.com/mastodon/mastodon/pull/13930))
@@ -578,8 +578,8 @@ All notable changes to this project will be documented in this file.
 ### Fixed
 
 - Fix `following` param not working when exact match is found in account search ([noellabo](https://github.com/mastodon/mastodon/pull/14394))
-- Fix sometimes occuring duplicate mention notifications ([noellabo](https://github.com/mastodon/mastodon/pull/14378))
-- Fix RSS feeds not being cachable ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/14368))
+- Fix sometimes occurring duplicate mention notifications ([noellabo](https://github.com/mastodon/mastodon/pull/14378))
+- Fix RSS feeds not being cacheable ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/14368))
 - Fix lack of locking around processing of Announce activities in ActivityPub ([noellabo](https://github.com/mastodon/mastodon/pull/14365))
 - Fix boosted toots from blocked account not being retroactively removed from TL ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/14339))
 - Fix large shortened numbers (like 1.2K) using incorrect pluralization ([Sasha-Sorokin](https://github.com/mastodon/mastodon/pull/14061))
@@ -706,7 +706,7 @@ All notable changes to this project will be documented in this file.
 - Fix poll refresh button not being debounced in web UI ([rasjonell](https://github.com/mastodon/mastodon/pull/13485), [ClearlyClaire](https://github.com/mastodon/mastodon/pull/13490))
 - Fix confusing error when failing to add an alias to an unknown account ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13480))
 - Fix "Email changed" notification sometimes having wrong e-mail ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13475))
-- Fix varioues issues on the account aliases page ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13452))
+- Fix various issues on the account aliases page ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13452))
 - Fix API footer link in web UI ([bubblineyuri](https://github.com/mastodon/mastodon/pull/13441))
 - Fix pagination of following, followers, follow requests, blocks and mutes lists in web UI ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13445))
 - Fix styling of polls in JS-less fallback on public pages ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/13436))
@@ -1496,7 +1496,7 @@ All notable changes to this project will be documented in this file.
 - Change Docker image to use Ubuntu with jemalloc ([Sir-Boops](https://github.com/mastodon/mastodon/pull/10100), [BenLubar](https://github.com/mastodon/mastodon/pull/10212))
 - Change public pages to be cacheable by proxies ([BenLubar](https://github.com/mastodon/mastodon/pull/9059))
 - Change the 410 gone response for suspended accounts to be cacheable by proxies ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/10339))
-- Change web UI to not not empty timeline of blocked users on block ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/10359))
+- Change web UI to not empty timeline of blocked users on block ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/10359))
 - Change JSON serializer to remove unused `@context` values ([Gargron](https://github.com/mastodon/mastodon/pull/10378))
 - Change GIFV file size limit to be the same as for other videos ([rinsuki](https://github.com/mastodon/mastodon/pull/9924))
 - Change Webpack to not use @babel/preset-env to compile node_modules ([ykzts](https://github.com/mastodon/mastodon/pull/10289))
@@ -1673,7 +1673,7 @@ All notable changes to this project will be documented in this file.
 - Limit maximum visibility of local silenced users to unlisted ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/9583))
 - Change API error message for unconfirmed accounts ([noellabo](https://github.com/mastodon/mastodon/pull/9625))
 - Change the icon to "reply-all" when it's a reply to other accounts ([mayaeh](https://github.com/mastodon/mastodon/pull/9378))
-- Do not ignore federated reports targetting already-reported accounts ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/9534))
+- Do not ignore federated reports targeting already-reported accounts ([ClearlyClaire](https://github.com/mastodon/mastodon/pull/9534))
 - Upgrade default Ruby version to 2.6.0 ([Gargron](https://github.com/mastodon/mastodon/pull/9688))
 - Change e-mail digest frequency ([Gargron](https://github.com/mastodon/mastodon/pull/9689))
 - Change Docker images for Tor support in docker-compose.yml ([Sir-Boops](https://github.com/mastodon/mastodon/pull/9438))
diff --git a/app/javascript/mastodon/components/scrollable_list.js b/app/javascript/mastodon/components/scrollable_list.js
index 68a17851227..91d04bf4d8e 100644
--- a/app/javascript/mastodon/components/scrollable_list.js
+++ b/app/javascript/mastodon/components/scrollable_list.js
@@ -151,7 +151,7 @@ class ScrollableList extends PureComponent {
 
     attachFullscreenListener(this.onFullScreenChange);
 
-    // Handle initial scroll posiiton
+    // Handle initial scroll position
     this.handleScroll();
   }
 
diff --git a/app/javascript/mastodon/containers/media_container.js b/app/javascript/mastodon/containers/media_container.js
index 2f42a084fd0..6ee1f0bd885 100644
--- a/app/javascript/mastodon/containers/media_container.js
+++ b/app/javascript/mastodon/containers/media_container.js
@@ -43,7 +43,7 @@ export default class MediaContainer extends PureComponent {
 
   handleOpenVideo = (options) => {
     const { components } = this.props;
-    const { media } = JSON.parse(components[options.componetIndex].getAttribute('data-props'));
+    const { media } = JSON.parse(components[options.componentIndex].getAttribute('data-props'));
     const mediaList = fromJS(media);
 
     document.body.classList.add('with-modals--active');
@@ -87,7 +87,7 @@ export default class MediaContainer extends PureComponent {
               ...(hashtag ? { hashtag: fromJS(hashtag) } : {}),
 
               ...(componentName === 'Video' ? {
-                componetIndex: i,
+                componentIndex: i,
                 onOpenVideo: this.handleOpenVideo,
               } : {
                 onOpenMedia: this.handleOpenMedia,
diff --git a/app/javascript/mastodon/features/report/category.js b/app/javascript/mastodon/features/report/category.js
index 122b51c7cdd..a36dc81b123 100644
--- a/app/javascript/mastodon/features/report/category.js
+++ b/app/javascript/mastodon/features/report/category.js
@@ -8,7 +8,7 @@ const messages = defineMessages({
   dislike: { id: 'report.reasons.dislike', defaultMessage: 'I don\'t like it' },
   dislike_description: { id: 'report.reasons.dislike_description', defaultMessage: 'It is not something you want to see' },
   spam: { id: 'report.reasons.spam', defaultMessage: 'It\'s spam' },
-  spam_description: { id: 'report.reasons.spam_description', defaultMessage: 'Malicious links, fake engagement, or repetetive replies' },
+  spam_description: { id: 'report.reasons.spam_description', defaultMessage: 'Malicious links, fake engagement, or repetitive replies' },
   violation: { id: 'report.reasons.violation', defaultMessage: 'It violates server rules' },
   violation_description: { id: 'report.reasons.violation_description', defaultMessage: 'You are aware that it breaks specific rules' },
   other: { id: 'report.reasons.other', defaultMessage: 'It\'s something else' },
diff --git a/app/javascript/mastodon/features/video/index.js b/app/javascript/mastodon/features/video/index.js
index 70e3cd6e88e..8d47e479a84 100644
--- a/app/javascript/mastodon/features/video/index.js
+++ b/app/javascript/mastodon/features/video/index.js
@@ -121,7 +121,7 @@ class Video extends React.PureComponent {
     autoPlay: PropTypes.bool,
     volume: PropTypes.number,
     muted: PropTypes.bool,
-    componetIndex: PropTypes.number,
+    componentIndex: PropTypes.number,
   };
 
   static defaultProps = {
@@ -502,7 +502,7 @@ class Video extends React.PureComponent {
       startTime: this.video.currentTime,
       autoPlay: !this.state.paused,
       defaultVolume: this.state.volume,
-      componetIndex: this.props.componetIndex,
+      componentIndex: this.props.componentIndex,
     });
   }
 
diff --git a/app/javascript/mastodon/locales/en.json b/app/javascript/mastodon/locales/en.json
index e87541e2846..c3d23795ba7 100644
--- a/app/javascript/mastodon/locales/en.json
+++ b/app/javascript/mastodon/locales/en.json
@@ -409,7 +409,7 @@
   "report.reasons.other": "It's something else",
   "report.reasons.other_description": "The issue does not fit into other categories",
   "report.reasons.spam": "It's spam",
-  "report.reasons.spam_description": "Malicious links, fake engagement, or repetetive replies",
+  "report.reasons.spam_description": "Malicious links, fake engagement, or repetitive replies",
   "report.reasons.violation": "It violates server rules",
   "report.reasons.violation_description": "You are aware that it breaks specific rules",
   "report.rules.subtitle": "Select all that apply",
diff --git a/app/javascript/styles/mastodon/components.scss b/app/javascript/styles/mastodon/components.scss
index 6b18ca6f211..b8c3dba6156 100644
--- a/app/javascript/styles/mastodon/components.scss
+++ b/app/javascript/styles/mastodon/components.scss
@@ -4315,7 +4315,7 @@ a.status-card.compact:hover {
   }
 }
 
-.upload-progess__message {
+.upload-progress__message {
   flex: 1 1 auto;
 }
 
diff --git a/app/javascript/styles/mastodon/polls.scss b/app/javascript/styles/mastodon/polls.scss
index e33fc798359..a719044ea21 100644
--- a/app/javascript/styles/mastodon/polls.scss
+++ b/app/javascript/styles/mastodon/polls.scss
@@ -69,7 +69,7 @@
       display: none;
     }
 
-    .autossugest-input {
+    .autosuggest-input {
       flex: 1 1 auto;
     }
 
diff --git a/app/policies/user_policy.rb b/app/policies/user_policy.rb
index 6695a0ddf89..92e2c4f4bba 100644
--- a/app/policies/user_policy.rb
+++ b/app/policies/user_policy.rb
@@ -42,7 +42,7 @@ class UserPolicy < ApplicationPolicy
   end
 
   def promote?
-    admin? && promoteable?
+    admin? && promotable?
   end
 
   def demote?
@@ -51,7 +51,7 @@ class UserPolicy < ApplicationPolicy
 
   private
 
-  def promoteable?
+  def promotable?
     record.approved? && (!record.staff? || !record.admin?)
   end
 
diff --git a/config/initializers/omniauth.rb b/config/initializers/omniauth.rb
index 19d59f1551c..1a041ad481b 100644
--- a/config/initializers/omniauth.rb
+++ b/config/initializers/omniauth.rb
@@ -1,5 +1,5 @@
 Rails.application.config.middleware.use OmniAuth::Builder do
-  # Vanilla omniauth stategies
+  # Vanilla omniauth strategies
 end
 
 Devise.setup do |config|
diff --git a/config/locales/en_GB.yml b/config/locales/en_GB.yml
index d3461474b16..de74e0f6111 100644
--- a/config/locales/en_GB.yml
+++ b/config/locales/en_GB.yml
@@ -986,7 +986,7 @@ en_GB:
     enabled: Two-factor authentication is enabled
     enabled_success: Two-factor authentication successfully enabled
     generate_recovery_codes: Generate recovery codes
-    instructions_html: "<strong>Scan this QR code into Google Authenticator or a similiar TOTP app on your phone</strong>. From now on, that app will generate tokens that you will have to enter when logging in."
+    instructions_html: "<strong>Scan this QR code into Google Authenticator or a similar TOTP app on your phone</strong>. From now on, that app will generate tokens that you will have to enter when logging in."
     lost_recovery_codes: Recovery codes allow you to regain access to your account if you lose your phone. If you've lost your recovery codes, you can regenerate them here. Your old recovery codes will be invalidated.
     manual_instructions: 'If you can''t scan the QR code and need to enter it manually, here is the plain-text secret:'
     recovery_codes: Backup recovery codes
diff --git a/db/migrate/20170920032311_fix_reblogs_in_feeds.rb b/db/migrate/20170920032311_fix_reblogs_in_feeds.rb
index bcd4b913765..4ab68e8f329 100644
--- a/db/migrate/20170920032311_fix_reblogs_in_feeds.rb
+++ b/db/migrate/20170920032311_fix_reblogs_in_feeds.rb
@@ -16,7 +16,7 @@ class FixReblogsInFeeds < ActiveRecord::Migration[5.1]
     # is once again set to the reblogging status' ID, and the value
     # is set to the reblogged status' ID). This is safe for Redis'
     # float conversion because in this reblog tracking zset, we only
-    # need the rebloggging status' ID to be able to stop tracking
+    # need the reblogging status' ID to be able to stop tracking
     # entries after they have gotten too far down the feed, which
     # does not require an exact value.
 
diff --git a/db/migrate/20180608213548_reject_following_blocked_users.rb b/db/migrate/20180608213548_reject_following_blocked_users.rb
index 302db6b68d0..78f8df53837 100644
--- a/db/migrate/20180608213548_reject_following_blocked_users.rb
+++ b/db/migrate/20180608213548_reject_following_blocked_users.rb
@@ -22,13 +22,13 @@ class RejectFollowingBlockedUsers < ActiveRecord::Migration[5.2]
 
     follows.each do |follow|
       blocked_account = follow.account
-      followed_acccount = follow.target_account
+      followed_account = follow.target_account
 
       next follow.destroy! if blocked_account.local?
 
-      reject_follow_json = Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(follow, serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).as_json).sign!(followed_acccount))
+      reject_follow_json = Oj.dump(ActivityPub::LinkedDataSignature.new(ActiveModelSerializers::SerializableResource.new(follow, serializer: ActivityPub::RejectFollowSerializer, adapter: ActivityPub::Adapter).as_json).sign!(followed_account))
 
-      ActivityPub::DeliveryWorker.perform_async(reject_follow_json, followed_acccount, blocked_account.inbox_url)
+      ActivityPub::DeliveryWorker.perform_async(reject_follow_json, followed_account, blocked_account.inbox_url)
 
       follow.destroy!
     end
diff --git a/lib/mastodon/maintenance_cli.rb b/lib/mastodon/maintenance_cli.rb
index 00861df7743..1e047d96c61 100644
--- a/lib/mastodon/maintenance_cli.rb
+++ b/lib/mastodon/maintenance_cli.rb
@@ -510,7 +510,7 @@ module Mastodon
       accounts = accounts.sort_by(&:id).reverse
 
       @prompt.warn "Multiple local accounts were found for username '#{accounts.first.username}'."
-      @prompt.warn 'All those accounts are distinct accounts but only the most recently-created one is fully-functionnal.'
+      @prompt.warn 'All those accounts are distinct accounts but only the most recently-created one is fully-functional.'
 
       accounts.each_with_index do |account, idx|
         @prompt.say '%2d. %s: created at: %s; updated at: %s; last logged in at: %s; statuses: %5d; last status at: %s' % [idx, account.username, account.created_at, account.updated_at, account.user&.last_sign_in_at&.to_s || 'N/A', account.account_stat&.statuses_count || 0, account.account_stat&.last_status_at || 'N/A']
diff --git a/lib/mastodon/statuses_cli.rb b/lib/mastodon/statuses_cli.rb
index 91b08813b38..d4c2e6cf2a7 100644
--- a/lib/mastodon/statuses_cli.rb
+++ b/lib/mastodon/statuses_cli.rb
@@ -156,7 +156,7 @@ module Mastodon
 
         ActiveRecord::Base.connection.add_index(:statuses, :conversation_id, name: :index_statuses_conversation_id, algorithm: :concurrently, if_not_exists: true)
 
-        say('Extract the deletion target from coversations... This might take a while...')
+        say('Extract the deletion target from conversations... This might take a while...')
 
         ActiveRecord::Base.connection.create_table('conversations_to_be_deleted', force: true)
 
diff --git a/spec/controllers/accounts_controller_spec.rb b/spec/controllers/accounts_controller_spec.rb
index 73d12402919..662a89927d4 100644
--- a/spec/controllers/accounts_controller_spec.rb
+++ b/spec/controllers/accounts_controller_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe AccountsController, type: :controller do
 
   let(:account) { Fabricate(:account) }
 
-  shared_examples 'cachable response' do
+  shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
       expect(response.headers['Set-Cookies']).to be nil
@@ -374,7 +374,7 @@ RSpec.describe AccountsController, type: :controller do
           expect(response.media_type).to eq 'application/activity+json'
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'renders account' do
           json = body_as_json
@@ -432,7 +432,7 @@ RSpec.describe AccountsController, type: :controller do
           expect(response.media_type).to eq 'application/activity+json'
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'renders account' do
           json = body_as_json
@@ -499,7 +499,7 @@ RSpec.describe AccountsController, type: :controller do
           expect(response).to have_http_status(200)
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
       end
 
       context do
diff --git a/spec/controllers/activitypub/collections_controller_spec.rb b/spec/controllers/activitypub/collections_controller_spec.rb
index 21a0339458b..4d87f80ced5 100644
--- a/spec/controllers/activitypub/collections_controller_spec.rb
+++ b/spec/controllers/activitypub/collections_controller_spec.rb
@@ -7,7 +7,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
   let!(:private_pinned) { Fabricate(:status, account: account, text: 'secret private stuff', visibility: :private) }
   let(:remote_account) { nil }
 
-  shared_examples 'cachable response' do
+  shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
       expect(response.headers['Set-Cookies']).to be nil
@@ -48,7 +48,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
           expect(response.media_type).to eq 'application/activity+json'
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'returns orderedItems with pinned statuses' do
           expect(body[:orderedItems]).to be_an Array
@@ -101,7 +101,7 @@ RSpec.describe ActivityPub::CollectionsController, type: :controller do
             expect(response.media_type).to eq 'application/activity+json'
           end
 
-          it_behaves_like 'cachable response'
+          it_behaves_like 'cacheable response'
 
           it 'returns orderedItems with pinned statuses' do
             json = body_as_json
diff --git a/spec/controllers/activitypub/outboxes_controller_spec.rb b/spec/controllers/activitypub/outboxes_controller_spec.rb
index 1722690db1b..04f03644729 100644
--- a/spec/controllers/activitypub/outboxes_controller_spec.rb
+++ b/spec/controllers/activitypub/outboxes_controller_spec.rb
@@ -3,7 +3,7 @@ require 'rails_helper'
 RSpec.describe ActivityPub::OutboxesController, type: :controller do
   let!(:account) { Fabricate(:account) }
 
-  shared_examples 'cachable response' do
+  shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
       expect(response.headers['Set-Cookies']).to be nil
@@ -53,7 +53,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
           expect(body[:totalItems]).to eq 4
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'does not have a Vary header' do
           expect(response.headers['Vary']).to be_nil
@@ -98,7 +98,7 @@ RSpec.describe ActivityPub::OutboxesController, type: :controller do
           expect(body[:orderedItems].all? { |item| item[:to].include?(ActivityPub::TagManager::COLLECTIONS[:public]) || item[:cc].include?(ActivityPub::TagManager::COLLECTIONS[:public]) }).to be true
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'returns Vary header with Signature' do
           expect(response.headers['Vary']).to include 'Signature'
diff --git a/spec/controllers/activitypub/replies_controller_spec.rb b/spec/controllers/activitypub/replies_controller_spec.rb
index a2c7f336ff5..a35957f24c2 100644
--- a/spec/controllers/activitypub/replies_controller_spec.rb
+++ b/spec/controllers/activitypub/replies_controller_spec.rb
@@ -8,7 +8,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
   let(:remote_reply_id) { 'https://foobar.com/statuses/1234' }
   let(:remote_querier) { nil }
 
-  shared_examples 'cachable response' do
+  shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
       expect(response.headers['Set-Cookies']).to be nil
@@ -93,7 +93,7 @@ RSpec.describe ActivityPub::RepliesController, type: :controller do
         expect(response.media_type).to eq 'application/activity+json'
       end
 
-      it_behaves_like 'cachable response'
+      it_behaves_like 'cacheable response'
 
       context 'without only_other_accounts' do
         it "returns items with thread author's replies" do
diff --git a/spec/controllers/api/v1/accounts/notes_controller_spec.rb b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
index 47d595c705f..42c2d8a86f0 100644
--- a/spec/controllers/api/v1/accounts/notes_controller_spec.rb
+++ b/spec/controllers/api/v1/accounts/notes_controller_spec.rb
@@ -31,7 +31,7 @@ describe Api::V1::Accounts::NotesController do
       end
     end
 
-    context 'when account note exceends allowed length' do
+    context 'when account note exceeds allowed length' do
       let(:comment) { 'a' * 2_001 }
 
       it 'returns 422' do
diff --git a/spec/controllers/api/v1/admin/accounts_controller_spec.rb b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
index bf79ee52027..3f61bbc0ba3 100644
--- a/spec/controllers/api/v1/admin/accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/admin/accounts_controller_spec.rb
@@ -140,7 +140,7 @@ RSpec.describe Api::V1::Admin::AccountsController, type: :controller do
       expect(response).to have_http_status(200)
     end
 
-    it 'unsensitives account' do
+    it 'unsensitizes account' do
       expect(account.reload.sensitized?).to be false
     end
   end
diff --git a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
index 439a4738df5..7cc77f43080 100644
--- a/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/favourited_by_accounts_controller_spec.rb
@@ -56,7 +56,7 @@ RSpec.describe Api::V1::Statuses::FavouritedByAccountsController, type: :control
           Fabricate(:favourite, status: status)
         end
 
-        it 'returns http unautharized' do
+        it 'returns http unauthorized' do
           get :index, params: { status_id: status.id }
           expect(response).to have_http_status(404)
         end
diff --git a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
index 31320349df0..8d4a6f91ca9 100644
--- a/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses/reblogged_by_accounts_controller_spec.rb
@@ -56,7 +56,7 @@ RSpec.describe Api::V1::Statuses::RebloggedByAccountsController, type: :controll
           Fabricate(:status, reblog_of_id: status.id)
         end
 
-        it 'returns http unautharized' do
+        it 'returns http unauthorized' do
           get :index, params: { status_id: status.id }
           expect(response).to have_http_status(404)
         end
diff --git a/spec/controllers/api/v1/statuses_controller_spec.rb b/spec/controllers/api/v1/statuses_controller_spec.rb
index 190dfad117d..2eb30af74be 100644
--- a/spec/controllers/api/v1/statuses_controller_spec.rb
+++ b/spec/controllers/api/v1/statuses_controller_spec.rb
@@ -130,7 +130,7 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
       let(:status) { Fabricate(:status, account: user.account, visibility: :private) }
 
       describe 'GET #show' do
-        it 'returns http unautharized' do
+        it 'returns http unauthorized' do
           get :show, params: { id: status.id }
           expect(response).to have_http_status(404)
         end
@@ -141,7 +141,7 @@ RSpec.describe Api::V1::StatusesController, type: :controller do
           Fabricate(:status, account: user.account, thread: status)
         end
 
-        it 'returns http unautharized' do
+        it 'returns http unauthorized' do
           get :context, params: { id: status.id }
           expect(response).to have_http_status(404)
         end
diff --git a/spec/controllers/application_controller_spec.rb b/spec/controllers/application_controller_spec.rb
index 0fb4ddbcf5c..53e163d493c 100644
--- a/spec/controllers/application_controller_spec.rb
+++ b/spec/controllers/application_controller_spec.rb
@@ -187,30 +187,30 @@ describe ApplicationController, type: :controller do
     controller do
       before_action :require_admin!
 
-      def sucesss
+      def success
         head 200
       end
     end
 
     before do
-      routes.draw { get 'sucesss' => 'anonymous#sucesss' }
+      routes.draw { get 'success' => 'anonymous#success' }
     end
 
     it 'returns a 403 if current user is not admin' do
       sign_in(Fabricate(:user, admin: false))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(403)
     end
 
     it 'returns a 403 if current user is only a moderator' do
       sign_in(Fabricate(:user, moderator: true))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(403)
     end
 
     it 'does nothing if current user is admin' do
       sign_in(Fabricate(:user, admin: true))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(200)
     end
   end
@@ -219,30 +219,30 @@ describe ApplicationController, type: :controller do
     controller do
       before_action :require_staff!
 
-      def sucesss
+      def success
         head 200
       end
     end
 
     before do
-      routes.draw { get 'sucesss' => 'anonymous#sucesss' }
+      routes.draw { get 'success' => 'anonymous#success' }
     end
 
     it 'returns a 403 if current user is not admin or moderator' do
       sign_in(Fabricate(:user, admin: false, moderator: false))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(403)
     end
 
     it 'does nothing if current user is moderator' do
       sign_in(Fabricate(:user, moderator: true))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(200)
     end
 
     it 'does nothing if current user is admin' do
       sign_in(Fabricate(:user, admin: true))
-      get 'sucesss'
+      get 'success'
       expect(response).to have_http_status(200)
     end
   end
diff --git a/spec/controllers/statuses_controller_spec.rb b/spec/controllers/statuses_controller_spec.rb
index 9986efa51d2..05fae67fab1 100644
--- a/spec/controllers/statuses_controller_spec.rb
+++ b/spec/controllers/statuses_controller_spec.rb
@@ -5,7 +5,7 @@ require 'rails_helper'
 describe StatusesController do
   render_views
 
-  shared_examples 'cachable response' do
+  shared_examples 'cacheable response' do
     it 'does not set cookies' do
       expect(response.cookies).to be_empty
       expect(response.headers['Set-Cookies']).to be nil
@@ -108,7 +108,7 @@ describe StatusesController do
           expect(response.headers['Vary']).to eq 'Accept'
         end
 
-        it_behaves_like 'cachable response'
+        it_behaves_like 'cacheable response'
 
         it 'returns Content-Type header' do
           expect(response.headers['Content-Type']).to include 'application/activity+json'
@@ -496,7 +496,7 @@ describe StatusesController do
             expect(response.headers['Vary']).to eq 'Accept'
           end
 
-          it_behaves_like 'cachable response'
+          it_behaves_like 'cacheable response'
 
           it 'returns Content-Type header' do
             expect(response.headers['Content-Type']).to include 'application/activity+json'
diff --git a/spec/helpers/application_helper_spec.rb b/spec/helpers/application_helper_spec.rb
index f09e32ecc2b..b9d38d8c689 100644
--- a/spec/helpers/application_helper_spec.rb
+++ b/spec/helpers/application_helper_spec.rb
@@ -60,7 +60,7 @@ describe ApplicationHelper do
   end
 
   describe 'favicon_path' do
-    it 'returns /favicon.ico on production enviromnent' do
+    it 'returns /favicon.ico on production environment' do
       expect(Rails.env).to receive(:production?).and_return(true)
       expect(helper.favicon_path).to eq '/favicon.ico'
     end
diff --git a/spec/lib/tag_manager_spec.rb b/spec/lib/tag_manager_spec.rb
index 2230f971037..cd9fb936cd4 100644
--- a/spec/lib/tag_manager_spec.rb
+++ b/spec/lib/tag_manager_spec.rb
@@ -6,7 +6,7 @@ RSpec.describe TagManager do
 
     around do |example|
       original_local_domain = Rails.configuration.x.local_domain
-      Rails.configuration.x.local_domain = 'domain.test'
+      Rails.configuration.x.local_domain = 'domain.example.com'
 
       example.run
 
@@ -18,11 +18,11 @@ RSpec.describe TagManager do
     end
 
     it 'returns true if the slash-stripped string equals to local domain' do
-      expect(TagManager.instance.local_domain?('DoMaIn.Test/')).to eq true
+      expect(TagManager.instance.local_domain?('DoMaIn.Example.com/')).to eq true
     end
 
     it 'returns false for irrelevant string' do
-      expect(TagManager.instance.local_domain?('DoMaIn.Test!')).to eq false
+      expect(TagManager.instance.local_domain?('DoMaIn.Example.com!')).to eq false
     end
   end
 
@@ -31,7 +31,7 @@ RSpec.describe TagManager do
 
     around do |example|
       original_web_domain = Rails.configuration.x.web_domain
-      Rails.configuration.x.web_domain = 'domain.test'
+      Rails.configuration.x.web_domain = 'domain.example.com'
 
       example.run
 
@@ -43,11 +43,11 @@ RSpec.describe TagManager do
     end
 
     it 'returns true if the slash-stripped string equals to web domain' do
-      expect(TagManager.instance.web_domain?('DoMaIn.Test/')).to eq true
+      expect(TagManager.instance.web_domain?('DoMaIn.Example.com/')).to eq true
     end
 
     it 'returns false for string with irrelevant characters' do
-      expect(TagManager.instance.web_domain?('DoMaIn.Test!')).to eq false
+      expect(TagManager.instance.web_domain?('DoMaIn.Example.com!')).to eq false
     end
   end
 
@@ -57,7 +57,7 @@ RSpec.describe TagManager do
     end
 
     it 'returns normalized domain' do
-      expect(TagManager.instance.normalize_domain('DoMaIn.Test/')).to eq 'domain.test'
+      expect(TagManager.instance.normalize_domain('DoMaIn.Example.com/')).to eq 'domain.example.com'
     end
   end
 
@@ -69,18 +69,18 @@ RSpec.describe TagManager do
     end
 
     it 'returns true if the normalized string with port is local URL' do
-      Rails.configuration.x.web_domain = 'domain.test:42'
-      expect(TagManager.instance.local_url?('https://DoMaIn.Test:42/')).to eq true
+      Rails.configuration.x.web_domain = 'domain.example.com:42'
+      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com:42/')).to eq true
     end
 
     it 'returns true if the normalized string without port is local URL' do
-      Rails.configuration.x.web_domain = 'domain.test'
-      expect(TagManager.instance.local_url?('https://DoMaIn.Test/')).to eq true
+      Rails.configuration.x.web_domain = 'domain.example.com'
+      expect(TagManager.instance.local_url?('https://DoMaIn.Example.com/')).to eq true
     end
 
     it 'returns false for string with irrelevant characters' do
-      Rails.configuration.x.web_domain = 'domain.test'
-      expect(TagManager.instance.local_url?('https://domainn.test/')).to eq false
+      Rails.configuration.x.web_domain = 'domain.example.com'
+      expect(TagManager.instance.local_url?('https://domain.example.net/')).to eq false
     end
   end
 end
diff --git a/spec/models/report_spec.rb b/spec/models/report_spec.rb
index 3d29c021954..df32a7c9d56 100644
--- a/spec/models/report_spec.rb
+++ b/spec/models/report_spec.rb
@@ -119,7 +119,7 @@ describe Report do
     end
   end
 
-  describe 'validatiions' do
+  describe 'validations' do
     it 'has a valid fabricator' do
       report = Fabricate(:report)
       report.valid?
diff --git a/spec/policies/user_policy_spec.rb b/spec/policies/user_policy_spec.rb
index 1933ee014fb..731c041d11e 100644
--- a/spec/policies/user_policy_spec.rb
+++ b/spec/policies/user_policy_spec.rb
@@ -114,13 +114,13 @@ RSpec.describe UserPolicy do
 
   permissions :promote? do
     context 'admin?' do
-      context 'promoteable?' do
+      context 'promotable?' do
         it 'permits' do
           expect(subject).to permit(admin, john.user)
         end
       end
 
-      context '!promoteable?' do
+      context '!promotable?' do
         it 'denies' do
           expect(subject).to_not permit(admin, admin.user)
         end
diff --git a/spec/services/unsuspend_account_service_spec.rb b/spec/services/unsuspend_account_service_spec.rb
index d52cb6cc008..0593beb6f27 100644
--- a/spec/services/unsuspend_account_service_spec.rb
+++ b/spec/services/unsuspend_account_service_spec.rb
@@ -63,20 +63,20 @@ RSpec.describe UnsuspendAccountService, type: :service do
   describe 'unsuspending a remote account' do
     include_examples 'common behavior' do
       let!(:account)                 { Fabricate(:account, domain: 'bob.com', uri: 'https://bob.com', inbox_url: 'https://bob.com/inbox', protocol: :activitypub) }
-      let!(:reslove_account_service) { double }
+      let!(:resolve_account_service) { double }
 
       before do
-        allow(ResolveAccountService).to receive(:new).and_return(reslove_account_service)
+        allow(ResolveAccountService).to receive(:new).and_return(resolve_account_service)
       end
 
       context 'when the account is not remotely suspended' do
         before do
-          allow(reslove_account_service).to receive(:call).with(account).and_return(account)
+          allow(resolve_account_service).to receive(:call).with(account).and_return(account)
         end
 
         it 're-fetches the account' do
           subject.call
-          expect(reslove_account_service).to have_received(:call).with(account)
+          expect(resolve_account_service).to have_received(:call).with(account)
         end
 
         it "merges back into local followers' feeds" do
@@ -92,7 +92,7 @@ RSpec.describe UnsuspendAccountService, type: :service do
 
       context 'when the account is remotely suspended' do
         before do
-          allow(reslove_account_service).to receive(:call).with(account) do |account|
+          allow(resolve_account_service).to receive(:call).with(account) do |account|
             account.suspend!(origin: :remote)
             account
           end
@@ -100,7 +100,7 @@ RSpec.describe UnsuspendAccountService, type: :service do
 
         it 're-fetches the account' do
           subject.call
-          expect(reslove_account_service).to have_received(:call).with(account)
+          expect(resolve_account_service).to have_received(:call).with(account)
         end
 
         it "does not merge back into local followers' feeds" do
@@ -116,12 +116,12 @@ RSpec.describe UnsuspendAccountService, type: :service do
 
       context 'when the account is remotely deleted' do
         before do
-          allow(reslove_account_service).to receive(:call).with(account).and_return(nil)
+          allow(resolve_account_service).to receive(:call).with(account).and_return(nil)
         end
 
         it 're-fetches the account' do
           subject.call
-          expect(reslove_account_service).to have_received(:call).with(account)
+          expect(resolve_account_service).to have_received(:call).with(account)
         end
 
         it "does not merge back into local followers' feeds" do
diff --git a/spec/support/stories/profile_stories.rb b/spec/support/stories/profile_stories.rb
index 75b413330fc..0c4a14d1c96 100644
--- a/spec/support/stories/profile_stories.rb
+++ b/spec/support/stories/profile_stories.rb
@@ -22,7 +22,7 @@ module ProfileStories
   def with_alice_as_local_user
     @alice_bio = '@alice and @bob are fictional characters commonly used as'\
                  'placeholder names in #cryptology, as well as #science and'\
-                 'engineering 📖 literature. Not affilated with @pepe.'
+                 'engineering 📖 literature. Not affiliated with @pepe.'
 
     @alice = Fabricate(
       :user,