update doc

en/save-log.html

@@ -166,7 +166,7 @@
 <span id="log-command-outputs"></span><h1>Log command outputs<a class="headerlink" href="#log-command-outputs" title="Permalink to this headline">¶</a></h1>
 <p>Log command outputs for later analysis, turned off by default.</p>
 <p>To turn it on, using <a class="reference internal" href="options.html"><span class="doc">options</span></a> as:</p>
-<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$ options save-result <span class="nb">true</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ options save-result <span class="nb">true</span>
  NAME         BEFORE-VALUE  AFTER-VALUE
 ----------------------------------------
  save-result  <span class="nb">false</span>         <span class="nb">true</span>
@@ -182,7 +182,7 @@ Affect<span class="o">(</span>row-cnt:1<span class="o">)</span> cost in <span cl
 <span id="asynchronous-log"></span><h2>Asynchronous log<a class="headerlink" href="#asynchronous-log" title="Permalink to this headline">¶</a></h2>
 <p>:notes: :notes:
 With the latest Arthas, you can log the outputs asynchronously in the background:</p>
-<div class="highlight-sh notranslate"><div class="highlight"><pre><span></span>$ trace Test t &gt;&gt;  <span class="p">&amp;</span>
+<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ trace Test t &gt;&gt;  <span class="p">&amp;</span>
 job id  : <span class="m">2</span>
 cache location  : /Users/zhuyong/logs/arthas-cache/28198/2
 </pre></div>