diff --git a/core/modules/config/lib/Drupal/config/Controller/ConfigController.php b/core/modules/config/lib/Drupal/config/Controller/ConfigController.php
index 3f97ccd..13917c0 100644
--- a/core/modules/config/lib/Drupal/config/Controller/ConfigController.php
+++ b/core/modules/config/lib/Drupal/config/Controller/ConfigController.php
@@ -37,7 +37,7 @@ class ConfigController implements ControllerInterface {
   /**
    * The file download controller.
    *
-   * @var \Drupal\system\FileDownloadController
+   * @var \Drupal\Core\Controller\ControllerInterface
    */
   protected $fileDownloadController;