diff --git a/tidb-cloud/delete-tidb-cluster.md b/tidb-cloud/delete-tidb-cluster.md
index 92c15e9e1cdf0..19b2d20f5e13d 100644
--- a/tidb-cloud/delete-tidb-cluster.md
+++ b/tidb-cloud/delete-tidb-cluster.md
@@ -32,7 +32,7 @@ You can delete a cluster at any time by performing the following steps:
 
     Once a backed up TiDB Cloud Dedicated cluster is deleted, the existing backup files of the cluster are moved to the recycle bin.
 
-    - Automatic backups will expire and be automatically deleted once the retention period ends. The default retention period is 7 days if you don't modify it.
+    - Automatic backups will expire and be automatically deleted once the retention period ends, except for the latest one. The default retention period is 7 days if you don't modify it. The latest automatic backup will not be deleted unless you explicitly delete it.
     - Manual backups will be kept in the Recycle Bin until manually deleted.
 
     > **Note:**