diff --git a/cn/docs/tutorials/stateful-application/basic-stateful-set.md b/cn/docs/tutorials/stateful-application/basic-stateful-set.md
index 3c45196561..7290344cf3 100644
--- a/cn/docs/tutorials/stateful-application/basic-stateful-set.md
+++ b/cn/docs/tutorials/stateful-application/basic-stateful-set.md
@@ -532,7 +532,7 @@ web-2   gcr.io/google_containers/nginx-slim:0.7
 Patch `web` StatefulSet 来执行 `RollingUpdate` 更新策略。
 
 ```shell
-kubectl patch statefulset web -p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}
+kubectl patch statefulset web -p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}'
 statefulset "web" patched
 ```
 
diff --git a/docs/tutorials/stateful-application/basic-stateful-set.md b/docs/tutorials/stateful-application/basic-stateful-set.md
index 2dc65eabe6..c5287cc5aa 100644
--- a/docs/tutorials/stateful-application/basic-stateful-set.md
+++ b/docs/tutorials/stateful-application/basic-stateful-set.md
@@ -545,7 +545,7 @@ reverse ordinal order, while respecting the StatefulSet guarantees.
 Patch the `web` StatefulSet to apply the `RollingUpdate` update strategy.
 
 ```shell
-kubectl patch statefulset web -p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}
+kubectl patch statefulset web -p '{"spec":{"updateStrategy":{"type":"RollingUpdate"}}}'
 statefulset "web" patched
 ```