diff -u b/core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldWidget/DummyAjaxWidget.php b/core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldWidget/DummyAjaxWidget.php
--- b/core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldWidget/DummyAjaxWidget.php
+++ b/core/modules/image/tests/modules/image_module_test/src/Plugin/Field/FieldWidget/DummyAjaxWidget.php
@@ -8,7 +8,7 @@
 use Drupal\Core\Form\FormStateInterface;
 
 /**
- * Default widget for Zeus videos.
+ * Default widget for Dummy AJAX test.
  *
  * @FieldWidget(
  *   id = "image_module_test_dummy_ajax_widget",
@@ -40,7 +40,7 @@
   }
 
   /**
-   * Ajax callback to update the video widget fields when select is changed.
+   * Ajax callback for Dummy AJAX test.
    *
    * @param array $form
    *   The build form.
@@ -48,7 +48,7 @@
    *   The form state.
    *
    * @return \Drupal\Core\Ajax\AjaxResponse
-   *   Ajax response with updated widget for video.
+   *   Ajax response.
    */
   public static function dummyAjaxCallback(array &$form, FormStateInterface $form_state) {
     return new AjaxResponse();