Update zh/backup-to-azblob-using-br.md

Co-authored-by: Aolin <[email protected]>

zh/backup-to-azblob-using-br.md

@@ -251,29 +251,29 @@ kubectl edit backup demo1-log-backup-azblob -n backup-test
   kubectl apply -f log-backup-azblob.yaml
   ```
 
-  `log-backup-azblob.yaml` 文件内容如下：
-
-  ```yaml
-  ---
-  apiVersion: pingcap.com/v1alpha1
-  kind: Backup
-  metadata:
-    name: demo1-log-backup-azblob
-    namespace: backup-test
-  spec:
-    backupMode: log
-    logSubcommand: log-pause
-    br:
-      cluster: demo1
-      clusterNamespace: test1
-      sendCredToTikv: true
-    s3:
-      provider: aws
-      secretName: s3-secret
-      region: us-west-1
-      bucket: my-bucket
-      prefix: my-log-backup-folder
-  ```
+修改后 `log-backup-azblob.yaml` 文件内容如下：
+
+```yaml
+---
+apiVersion: pingcap.com/v1alpha1
+kind: Backup
+metadata:
+  name: demo1-log-backup-azblob
+  namespace: backup-test
+spec:
+  backupMode: log
+  logSubcommand: log-pause
+  br:
+    cluster: demo1
+    clusterNamespace: test1
+    sendCredToTikv: true
+  s3:
+    provider: aws
+    secretName: s3-secret
+    region: us-west-1
+    bucket: my-bucket
+    prefix: my-log-backup-folder
+```
 
 可以看到名为 `demo1-log-backup-azblob` 的 `Backup` CR 的 `STATUS` 从 `Running` 变成了 `Pause`：