diff --git a/core/modules/system/tests/modules/menu_test/menu_test.module b/core/modules/system/tests/modules/menu_test/menu_test.module
index 243ad55..0487863 100644
--- a/core/modules/system/tests/modules/menu_test/menu_test.module
+++ b/core/modules/system/tests/modules/menu_test/menu_test.module
@@ -9,6 +9,10 @@
 
 /**
  * Implements hook_menu_link_defaults().
+ *
+ * Many of the machine names here are slightly different from the route name.
+ * Since the machine name is arbitrary, this helps insure that core does not
+ * add mistaken assumptions about the correlation.
  */
 function menu_test_menu_link_defaults() {
   // The name of the menu changes during the course of the test. Using a $_GET.
@@ -100,7 +104,7 @@ function menu_test_menu_link_defaults() {
     'link_title' => 'Menu trail - Case 2',
     'description' => 'Tests menu_tree_set_path()',
     'route_name' => 'menu_test.menu_trail_admin',
-    'parent' => 'system.admin.config.development',
+    'parent' => 'system.admin_config_development',
   );
   $links['menu_test.custom-403-page'] = array(
     'link_title' => 'Custom 403 page',