diff --git a/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
index 08b9ffb..0213023 100644
--- a/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
+++ b/core/modules/block/lib/Drupal/block/Plugin/system/plugin_ui/BlockPluginUI.php
@@ -28,11 +28,11 @@
  *   menu = TRUE,
  *   path = "admin/structure/block/list",
  *   suffix = "add",
- *   task_suffix = "library"
+ *   task_suffix = "library",
  *   task_title = @Translation("Library"),
  *   title = @Translation("Block Library"),
  *   title_attribute = "subject",
- *   type = MENU_LOCAL_ACTION,
+ *   type = MENU_LOCAL_ACTION
  * )
  */
 class BlockPluginUI extends PluginUIBase {