Update memory-constraint-namespace.md

update translation

Author: guzj11

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

@@ -393,5 +393,5 @@ kubectl delete namespace constraints-mem-example
 
 * [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 Service 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/)