diff --git a/packages/backend/src/types.ts b/packages/backend/src/types.ts
index d894ef730..929070d0d 100644
--- a/packages/backend/src/types.ts
+++ b/packages/backend/src/types.ts
@@ -18,7 +18,6 @@
  * achievementEarned - 実績を獲得
  * app - アプリ通知
  * test - テスト通知（サーバー側）
- *
  */
 export const notificationTypes = [
 	'note',