diff --git a/docs/troubleshooting/250717_happybell80_auth서버구축.md b/docs/troubleshooting/250717_happybell80_auth서버구축.md
index 5184afe..b0c88f2 100644
--- a/docs/troubleshooting/250717_happybell80_auth서버구축.md
+++ b/docs/troubleshooting/250717_happybell80_auth서버구축.md
@@ -1,4 +1,4 @@
-# Auth Server 구축 및 Gmail OAuth 연동
+# Auth Server 구축 및 Email Skill 클린 아키텍처 리팩토링
 
 **날짜**: 2025-07-17  
 **작업자**: happybell80 & Claude