update MD by dispatch event pingcap/docs release-cloud

Author: github-actions

markdown-pages/en/tidbcloud/master/tidb-cloud/backup-and-restore-serverless.md

@@ -46,7 +46,7 @@ To set the backup time for an Essential cluster, perform the following steps:
 
 1. Navigate to the [**Backup**](#view-the-backup-page) page of your cluster.
 
-2. Click **Backup Settings**. This will open the **Backup Settings** window, where you can configure the automatic backup settings according to your requirements.
+2. Click **Backup Setting**. This will open the **Backup Setting** window, where you can configure the automatic backup settings according to your requirements.
 
 3. In **Backup Time**, schedule a start time for the daily cluster backup.