diff --git a/src/wp-admin/includes/ajax-actions.php b/src/wp-admin/includes/ajax-actions.php
index 7e7ce58fad..9955a421ed 100644
--- a/src/wp-admin/includes/ajax-actions.php
+++ b/src/wp-admin/includes/ajax-actions.php
@@ -1,9 +1,10 @@
 <?php
 /**
- * WordPress Core Ajax Handlers.
+ * Administration API: Core Ajax handlers
  *
  * @package WordPress
  * @subpackage Administration
+ * @since 2.1.0
  */
 
 //