diff --git a/wp-admin/tools.php b/wp-admin/tools.php
index 4fab0bdaf8..0c7e04096d 100644
--- a/wp-admin/tools.php
+++ b/wp-admin/tools.php
@@ -64,6 +64,11 @@ if ( current_user_can($cats->cap->manage_terms) || current_user_can($tags->cap->
 endif;
 endif;
 
+/**
+ * Fires at the end of the Tools Administration screen.
+ *
+ * @since 2.8.0
+ */
 do_action( 'tool_box' );
 ?>
 </div>