diff --git a/ticdc/ticdc-alert-rules.md b/ticdc/ticdc-alert-rules.md
index 6cded5900b4a..44d586fbce8f 100644
--- a/ticdc/ticdc-alert-rules.md
+++ b/ticdc/ticdc-alert-rules.md
@@ -34,7 +34,7 @@ For critical alerts, you need to pay close attention to abnormal monitoring metr
 
 - Description:
 
-     The Resolved TS of a replication task is delayed more than 10 minutes.
+     The Resolved TS of a replication task is delayed more than 5 minutes.
 
 - Solution: