Merge pull request #36801 from qlijin/improve-translation

[zh-cn] improve the translation about /zh-cn/docs/tutorials/kubernetes-basics/update/update-intro.html

Author: k8s-ci-robot

content/zh-cn/docs/tutorials/kubernetes-basics/update/update-intro.html

@@ -26,7 +26,8 @@
         <div class="row">
 
      <div class="col-md-8">
-          <h3>Objectives</h3>
+          <!-- <h3>Objectives</h3> -->
+          <h3>目标</h3>
                 <ul>
                 <!--
                     <li>Perform a rolling update using kubectl.</li>
@@ -131,7 +132,7 @@ <h2 style="color: #3771e3;">滚动更新概述</h2>
 <!--
                 <p>Similar to application Scaling, if a Deployment is exposed publicly, the Service will load-balance the traffic only to available Pods during the update. An available Pod is an instance that is available to the users of the application.</p>
 -->
-                <p>与应用程序扩展类似，如果公开了 Deployment，服务将在更新期间仅对可用的 pod 进行负载均衡。可用 Pod 是应用程序用户可用的实例。</p>
+                <p>与应用程序扩展类似，如果 Deployment 是公开的，服务将在更新期间仅对可用的 pod 进行负载均衡。可用 Pod 是应用程序用户可用的实例。</p>
 
 <!--
                 <p>Rolling updates allow the following actions:</p>