diff --git a/troubleshooting/250824_rb8001_daily_summary_cron_failure.md b/troubleshooting/250824_rb8001_daily_summary_cron_failure.md
index bc7f368..c1251d5 100644
--- a/troubleshooting/250824_rb8001_daily_summary_cron_failure.md
+++ b/troubleshooting/250824_rb8001_daily_summary_cron_failure.md
@@ -54,7 +54,7 @@ Gmail token not ready for user U091UNVE41M: reauth_required
 
 ---
 
-## 3. 근본 원인 분석
+## 3. 원인 분석
 
 ### 3.1 skill-email 서비스 실패 (51124 서버)