diff --git a/doc/libpkgconf-audit.rst b/doc/libpkgconf-audit.rst
new file mode 100644
index 0000000..0baaba3
--- /dev/null
+++ b/doc/libpkgconf-audit.rst
@@ -0,0 +1,35 @@
+
+libpkgconf `audit` module
+=========================
+
+The libpkgconf `audit` module contains the functions related to attaching an audit log file
+to a ``pkgconf_client_t`` object.
+
+The audit log format is the same as the output generated by the ``PKG_CONFIG_LOG`` environment
+variable.
+
+.. c:function:: void pkgconf_audit_set_log(pkgconf_client_t *client, FILE *auditf)
+
+   Sets the audit log file pointer on `client` to `auditf`.
+   The callee is responsible for closing any previous log files.
+
+   :param pkgconf_client_t* client: The client object to modify.
+   :param FILE* auditf: The file pointer for the already open log file.
+   :return: nothing
+
+.. c:function:: void pkgconf_audit_log(pkgconf_client_t *client, const char *format, ...)
+
+   Logs a message to the opened audit log (if any).
+
+   :param pkgconf_client_t* client: The client object the log message is for.
+   :param char* format: The format string to use for the log messages.
+   :return: nothing
+
+.. c:function:: void pkgconf_audit_log_dependency(pkgconf_client_t *client, const pkgconf_pkg_t *dep, const pkgconf_dependency_t *depnode)
+
+   Convenience function which logs a dependency node to the opened audit log (if any).
+
+   :param pkgconf_client_t* client: The client object the log message is for.
+   :param pkgconf_pkg_t* dep: The dependency package object being logged.
+   :param pkgconf_dependency_t* depnode: The dependency object itself being logged.
+   :return: nothing
diff --git a/doc/libpkgconf.rst b/doc/libpkgconf.rst
index c314396..82ee436 100644
--- a/doc/libpkgconf.rst
+++ b/doc/libpkgconf.rst
@@ -5,4 +5,5 @@ libpkgconf - an API for managing `pkg-config` modules
    :maxdepth: 2
 
    libpkgconf-argvsplit
+   libpkgconf-audit
    libpkgconf-client
diff --git a/libpkgconf/audit.c b/libpkgconf/audit.c
index 066e1e6..a06eb24 100644
--- a/libpkgconf/audit.c
+++ b/libpkgconf/audit.c
@@ -15,12 +15,48 @@
 
 #include <libpkgconf/libpkgconf.h>
 
+/*
+ * !doc
+ *
+ * libpkgconf `audit` module
+ * =========================
+ *
+ * The libpkgconf `audit` module contains the functions related to attaching an audit log file
+ * to a ``pkgconf_client_t`` object.
+ *
+ * The audit log format is the same as the output generated by the ``PKG_CONFIG_LOG`` environment
+ * variable.
+ */
+
+/*
+ * !doc
+ *
+ * .. c:function:: void pkgconf_audit_set_log(pkgconf_client_t *client, FILE *auditf)
+ *
+ *    Sets the audit log file pointer on `client` to `auditf`.
+ *    The callee is responsible for closing any previous log files.
+ *
+ *    :param pkgconf_client_t* client: The client object to modify.
+ *    :param FILE* auditf: The file pointer for the already open log file.
+ *    :return: nothing
+ */
 void
 pkgconf_audit_set_log(pkgconf_client_t *client, FILE *auditf)
 {
 	client->auditf = auditf;
 }
 
+/*
+ * !doc
+ *
+ * .. c:function:: void pkgconf_audit_log(pkgconf_client_t *client, const char *format, ...)
+ *
+ *    Logs a message to the opened audit log (if any).
+ *
+ *    :param pkgconf_client_t* client: The client object the log message is for.
+ *    :param char* format: The format string to use for the log messages.
+ *    :return: nothing
+ */
 void
 pkgconf_audit_log(pkgconf_client_t *client, const char *format, ...)
 {
@@ -34,6 +70,18 @@ pkgconf_audit_log(pkgconf_client_t *client, const char *format, ...)
 	va_end(va);
 }
 
+/*
+ * !doc
+ *
+ * .. c:function:: void pkgconf_audit_log_dependency(pkgconf_client_t *client, const pkgconf_pkg_t *dep, const pkgconf_dependency_t *depnode)
+ *
+ *    Convenience function which logs a dependency node to the opened audit log (if any).
+ *
+ *    :param pkgconf_client_t* client: The client object the log message is for.
+ *    :param pkgconf_pkg_t* dep: The dependency package object being logged.
+ *    :param pkgconf_dependency_t* depnode: The dependency object itself being logged.
+ *    :return: nothing
+ */
 void
 pkgconf_audit_log_dependency(pkgconf_client_t *client, const pkgconf_pkg_t *dep, const pkgconf_dependency_t *depnode)
 {