Updated docs.

overview.html

@@ -494,7 +494,7 @@ licensing terms.</strong></p>
 </div>
 <div class="section" id="contributors">
 <h3>Contributors<a class="headerlink" href="#contributors" title="Permalink to this headline">¶</a></h3>
-<p>Chrnonological order:</p>
+<p>Chronological order:</p>
 <blockquote>
 <div><ul class="simple">
 <li><p>Branimir Karadžić (<a class="reference external" href="https://github.com/bkaradzic">&#64;bkaradzic</a>)</p></li>