diff --git a/README.md b/README.md
index e6c28f1..6dfb76b 100644
--- a/README.md
+++ b/README.md
@@ -23,8 +23,8 @@ import { Picker } from 'emoji-mart'
 | **autoFocus** | | `false` | Auto focus the search input when mounted |
 | **color** | | `#ae65c5` | The top bar anchors select and hover color |
 | **emoji** | | `department_store` | The emoji shown when no emojis are hovered |
-| **include** | | `['People', 'Flags']` | Only load included categories |
-| **exclude** | | `['Animals', 'Objects']` | Don't load excluded catagories |
+| **include** | | `[]` | Only load included categories. Accepts [I18n categories keys](#i18n). |
+| **exclude** | | `[]` | Don't load excluded categories. Accepts [I18n categories keys](#i18n). |
 | **emojiSize** | | `24` | The emoji width and height |
 | **onClick** | | | Params: `(emoji, event) => {}` |
 | **perLine** | | `9` | Number of emojis per line. While there’s no minimum or maximum, this will affect the picker’s width. This will set *Frequently Used* length as well (`perLine * 4`) |
diff --git a/src/components/picker.js b/src/components/picker.js
index 516b626..db8dcf5 100644
--- a/src/components/picker.js
+++ b/src/components/picker.js
@@ -43,8 +43,8 @@ export default class Picker extends React.Component {
     let filteredCategories = [];
 
     for (let hash of data.categories) {
-      let isIncluded = props.include == undefined ? true : props.include.indexOf(hash.name) > -1
-      let isExcluded = props.exclude == undefined ? false : props.exclude.indexOf(hash.name) > -1
+      let isIncluded = props.include == undefined ? true : props.include.indexOf(hash.name.toLowerCase()) > -1
+      let isExcluded = props.exclude == undefined ? false : props.exclude.indexOf(hash.name.toLowerCase()) > -1
       if (!isIncluded || isExcluded) { continue; }
 
       let new_emojis = [];