Update explore-intro.html

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Author: linweiyuan

content/zh/docs/tutorials/kubernetes-basics/explore/explore-intro.html

@@ -43,7 +43,7 @@ <h2>Kubernetes Pods</h2>
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         <p>When you created a Deployment in Module <a href="/docs/tutorials/kubernetes-basics/deploy-intro/">2</a>, Kubernetes created a <b>Pod</b> to host your application instance. A Pod is a Kubernetes abstraction that represents a group of one or more application containers (such as Docker or rkt), and some shared resources for those containers. Those resources include:</p>
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-        <p>在模块 <a href="/docs/tutorials/kubernetes-basics/deploy-intro/">2</a>创建 Deployment 时, Kubernetes 添加 a <b>Pod</b> 托管你的应用实例。Pod 是 Kubernetes 抽象出来的，表示一组一个或多个应用程序容器（如 Docker 或 rkt ），以及这些容器的一些共享资源。这些资源包括:</p>
+        <p>在模块 <a href="/docs/tutorials/kubernetes-basics/deploy-intro/">2</a>创建 Deployment 时, Kubernetes 添加了一个 <b>Pod</b> 来托管你的应用实例。Pod 是 Kubernetes 抽象出来的，表示一组一个或多个应用程序容器（如 Docker 或 rkt ），以及这些容器的一些共享资源。这些资源包括:</p>
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         <ul>
           <li>Shared storage, as Volumes</li>