update doc

en/quick-start.html

@@ -8,7 +8,7 @@
   
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   
-  <title>Quick Start &mdash; Arthas 3.2.0 documentation</title>
+  <title>Quick Start &mdash; Arthas 3.3.2 documentation</title>
   
 
   
@@ -67,7 +67,7 @@
             
             
               <div class="version">
-                3.2.0
+                3.3.2
               </div>
             
           
@@ -117,6 +117,7 @@
 <li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas">Fork me at GitHub</a></li>
 <li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas/blob/master/CONTRIBUTING.md#">Compile and debug/CONTRIBUTING</a></li>
 <li class="toctree-l1"><a class="reference external" href="https://github.com/alibaba/arthas/releases">Release Notes</a></li>
+<li class="toctree-l1"><a class="reference internal" href="contact-us.html">Contact us</a></li>
 </ul>
 
             
@@ -190,7 +191,7 @@
 <div class="highlight-bash notranslate"><div class="highlight hljs"><pre class="bash">curl -O https://alibaba.github.io/arthas/arthas-demo.jar
 java -jar arthas-demo.jar</pre></div>
 </div>
-<p><code class="docutils literal notranslate"><span class="pre">arthas-demo</span></code> is a simple program that generates a random number every second, then find all prime factors of the number.</p>
+<p><code class="docutils literal notranslate"><span class="pre">arthas-demo</span></code> is a simple program that generates a random number every second, then it finds all prime factors of that number.</p>
 <p>The source code of <code class="docutils literal notranslate"><span class="pre">arthas-demo</span></code>: <a class="reference external" href="https://github.com/alibaba/arthas/blob/master/demo/src/main/java/demo/MathGame.java">View</a></p>
 </div>
 <div class="section" id="start-arthas">