diff --git a/create-domain/action.yml b/create-domain/action.yml
index c13b813..eebb85b 100644
--- a/create-domain/action.yml
+++ b/create-domain/action.yml
@@ -17,7 +17,7 @@ inputs:
     description: NPM 로그인 비밀번호 (npm-api.conf의 API_PASS)
   domain:
     required: true
-    description: 생성할 도메인 (예: app.example.com)
+    description: "생성할 도메인 (예: app.example.com)"
   forward-host:
     required: true
     description: 프록시가 바라볼 대상 호스트/IP