Merge pull request #35616 from houko/patch-1

Update cpu-default-namespace.md

Author: k8s-ci-robot

content/zh-cn/docs/tasks/administer-cluster/manage-resources/cpu-default-namespace.md

@@ -292,7 +292,7 @@ kubectl delete namespace default-cpu-example
 删除你的命名空间：
 
 ```shell
-kubectl delete namespace constraints-cpu-example
+kubectl delete namespace default-cpu-example
 ```
 
 ## {{% heading "whatsnext" %}}