diff --git a/core/modules/system/lib/Drupal/system/Entity/Menu.php b/core/modules/system/lib/Drupal/system/Entity/Menu.php
index 9d5fb25..8e295b2 100644
--- a/core/modules/system/lib/Drupal/system/Entity/Menu.php
+++ b/core/modules/system/lib/Drupal/system/Entity/Menu.php
@@ -73,6 +73,7 @@ class Menu extends ConfigEntityBase implements MenuInterface {
    */
   public function getExportProperties() {
     $properties = parent::getExportProperties();
+    // @todo Make $description protected and include it here.
     $names = array(
       'locked',
     );