diff --git a/core/modules/path/path.js b/core/modules/path/path.js
index 474cf87..93bdd90 100644
--- a/core/modules/path/path.js
+++ b/core/modules/path/path.js
@@ -7,8 +7,12 @@
   "use strict";
 
   /**
+   * Behaviors for settings summaries on path edit forms.
    *
    * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches summary behavior on path edit forms.
    */
   Drupal.behaviors.pathDetailsSummaries = {
     attach: function (context) {