Fix typo

Author: Quy Ton

docs/about.html

@@ -116,7 +116,7 @@ <h1 id="community">Community</h1>
   <div class="page-header">
     <h1 id="translations">Translations</h1>
   </div>
-  <p class="lead">Community members have translated Bootstrap's documentation into various langauges. None are officially supported and may not always be up to date.</p>
+  <p class="lead">Community members have translated Bootstrap's documentation into various languages. None are officially supported and may not always be up to date.</p>
   <ul>
     <li><a href="http://v3.bootcss.com/">Bootstrap 中文文档 (Chinese)</a></li>
     <li><a href="http://www.oneskyapp.com/docs/bootstrap/ru">Bootstrap по-русски (Russian)</a></li>