[zh]Update content/zh/docs/tasks/administer-cluster/configure-upgrade-etcd.md

content/zh/docs/tasks/administer-cluster/configure-upgrade-etcd.md

@@ -22,8 +22,6 @@ content_type: task
 
 {{< include "task-tutorial-prereqs.md" >}} {{< version-check >}}
 
-
-
 <!-- steps -->
 
 <!--
@@ -236,8 +234,8 @@ communication:
 
 ```
 ETCDCTL_API=3 etcdctl --endpoints 10.2.0.9:2379 \
-  --cert=/etc/kubernetes/pki/etcd/client.crt \
-  --key=/etc/kubernetes/pki/etcd/client.key \
+  --cert=/etc/kubernetes/pki/etcd/server.crt \
+  --key=/etc/kubernetes/pki/etcd/server.key \
   --cacert=/etc/kubernetes/pki/etcd/ca.crt \
   member list
 ```
@@ -253,8 +251,8 @@ ETCDCTL_API=3 etcdctl --endpoints 10.2.0.9:2379 \
 
 ```
 ETCDCTL_API=3 etcdctl --endpoints 10.2.0.9:2379 \
-  --cert=/etc/kubernetes/pki/etcd/client.crt \
-  --key=/etc/kubernetes/pki/etcd/client.key \
+  --cert=/etc/kubernetes/pki/etcd/server.crt \
+  --key=/etc/kubernetes/pki/etcd/server.key \
   --cacert=/etc/kubernetes/pki/etcd/ca.crt \
   member list
 ```
@@ -599,6 +597,10 @@ Here is an example:
 ```shell
 ETCDCTL_API=3 etcdctl --endpoints 10.2.0.9:2379 snapshot restore snapshotdb
 ```
+Another example for restoring using etcdctl options:
+```shell
+ETCDCTL_API=3 etcdctl --data-dir <data-dir-location> snapshot restore snapshotdb
+```
 
 For more information and examples on restoring a cluster from a snapshot file, see
 [etcd disaster recovery documentation](https://etcd.io/docs/current/op-guide/recovery/#restoring-a-cluster).
@@ -646,7 +648,6 @@ ETCDCTL_API=3 etcdctl --endpoints 10.2.0.9:2379 snapshot restore snapshotdb
 ```
 
 恢复时也可以指定操作选项，例如：
-
 ```
 ETCDCTL_API=3 etcdctl --data-dir <data-dir-location> snapshot restore snapshotdb
 ```
@@ -674,9 +675,9 @@ ETCDCTL_API=3 etcdctl --data-dir <data-dir-location> snapshot restore snapshotdb
 {{< /note >}}
 
 <!--
-
 ## Upgrading etcd clusters
 
+
 For more details on etcd upgrade, please refer to the [etcd upgrades](https://etcd.io/docs/latest/upgrades/) documentation.
 
 {{< note >}}