diff --git a/src/wp-includes/capabilities.php b/src/wp-includes/capabilities.php
index e783f90b70..8f9125c6bb 100644
--- a/src/wp-includes/capabilities.php
+++ b/src/wp-includes/capabilities.php
@@ -1,12 +1,20 @@
 <?php
 /**
- * WordPress Roles and Capabilities.
+ * Core User Role & Capabilities API
  *
  * @package WordPress
  * @subpackage User
+ * @since 2.0.0
  */
 
+/** WP_Roles class */
 require_once( ABSPATH . WPINC . '/class-wp-roles.php' );
+
+/** WP_Role class */
 require_once( ABSPATH . WPINC . '/class-wp-role.php' );
+
+/** WP_User class */
 require_once( ABSPATH . WPINC . '/class-wp-user.php' );
-require_once( ABSPATH . WPINC . '/capabilities-functions.php' );
\ No newline at end of file
+
+/** Core capabilities functionality */
+require_once( ABSPATH . WPINC . '/capabilities-functions.php' );