diff --git a/core/modules/filter/filter.admin.js b/core/modules/filter/filter.admin.js
index e14634ce342b3184afad0bf903f871fc92084519..3af562455e893d2d8e9874671ed278e4e3be49eb 100644
--- a/core/modules/filter/filter.admin.js
+++ b/core/modules/filter/filter.admin.js
@@ -8,8 +8,12 @@
   "use strict";
 
   /**
+   * Displays and updates the status of filters on the admin page.
    *
    * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches behaviors to the filter admin view.
    */
   Drupal.behaviors.filterStatus = {
     attach: function (context, settings) {
@@ -22,8 +26,8 @@
         var $filterSettings = $context.find('#' + $checkbox.attr('id').replace(/-status$/, '-settings'));
         var filterSettingsTab = $filterSettings.data('verticalTab');
 
-        // Bind click handler to this checkbox to conditionally show and hide the
-        // filter's tableDrag row and vertical tab pane.
+        // Bind click handler to this checkbox to conditionally show and hide
+        // the filter's tableDrag row and vertical tab pane.
         $checkbox.on('click.filterUpdate', function () {
           if ($checkbox.is(':checked')) {
             $row.show();
diff --git a/core/modules/filter/filter.filter_html.admin.js b/core/modules/filter/filter.filter_html.admin.js
index 1a20cfa8a0e2f9ec956fbf8753fbc31f55938c44..75a9824b4ea0f4692d8ea8547f9b42937ed3afd0 100644
--- a/core/modules/filter/filter.filter_html.admin.js
+++ b/core/modules/filter/filter.filter_html.admin.js
@@ -19,6 +19,7 @@
 
       /**
        * @return {Array}
+       *   An array of filter rules.
        */
       getRules: function () {
         var currentValue = $('#edit-filters-filter-html-settings-allowed-html').val();
@@ -45,10 +46,14 @@
   }
 
   /**
+   * Displays and updates what HTML tags are allowed to use in a filter.
    *
    * @type {Drupal~behavior}
    *
    * @todo Remove everything but 'attach' and 'detach' and make a proper object.
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches behavior for updating allowed HTML tags.
    */
   Drupal.behaviors.filterFilterHtmlUpdating = {
 
diff --git a/core/modules/filter/filter.js b/core/modules/filter/filter.js
index 58b595fe77e6ed372625c844cf56491bc1bf9c56..cdb0795aa26e45d667975017f14846b1580eb71d 100644
--- a/core/modules/filter/filter.js
+++ b/core/modules/filter/filter.js
@@ -11,6 +11,9 @@
    * Displays the guidelines of the selected text format automatically.
    *
    * @type {Drupal~behavior}
+   *
+   * @prop {Drupal~behaviorAttach} attach
+   *   Attaches behavior for updating filter guidelines.
    */
   Drupal.behaviors.filterGuidelines = {
     attach: function (context) {