Merge pull request #25573 from guzj11/patch-18

Update memory-default-namespace.md

Author: k8s-ci-robot

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

@@ -246,6 +246,19 @@ it can be allowed to run in a namespace that is restricted by a quota.
 -->
 如果一个容器没有声明自己的内存限制，会被指定默认限制，然后它才会被允许在限定了配额的命名空间中运行。
 
+<!--
+## Clean up
+
+Delete your namespace:
+-->
+## 清理
+
+删除你的命名空间：
+
+```shell
+kubectl delete namespace default-mem-example
+```
+
 ## {{% heading "whatsnext" %}}
 
 <!--
@@ -285,5 +298,5 @@ it can be allowed to run in a namespace that is restricted by a quota.
 
 * [为容器和 Pod 分配内存资源](/zh/docs/tasks/configure-pod-container/assign-memory-resource/)
 * [为容器和 Pod 分配 CPU 资源](/zh/docs/tasks/configure-pod-container/assign-cpu-resource/)
-* [为 Pod 配置服务数量](/zh/docs/tasks/configure-pod-container/quality-service-pod/)
+* [为 Pod 配置服务质量](/zh/docs/tasks/configure-pod-container/quality-service-pod/)