diff --git a/core/modules/action/action.api.php b/core/modules/action/action.api.php
index bdd7c0f..3718093 100644
--- a/core/modules/action/action.api.php
+++ b/core/modules/action/action.api.php
@@ -6,6 +6,11 @@
  */
 
 /**
+ * @addtogroup hooks
+ * @{
+ */
+
+/**
  * Executes code after an action is deleted.
  *
  * @param $aid
@@ -16,3 +21,7 @@ function hook_action_delete($aid) {
     ->condition('aid', $aid)
     ->execute();
 }
+
+/**
+ * @} End of "addtogroup hooks".
+ */