<li role="presentation"><a id="configuration_nav" aria-controls="configuration" role="tab" href="#configuration" data-toggle="tab">Configuration</a></li>
<li role="presentation"><a id="symbols_nav" aria-controls="symbols" role="tab" href="#symbols" data-toggle="tab">Symbols</a></li>
<li role="presentation"><a id="learning_nav" aria-controls="learning" role="tab" href="#learning" data-toggle="tab">Learning</a></li>
- <li role="presentation"><a id="scan_nav"aria-controls="scan" role="tab" href="#scan" data-toggle="tab">Scan</a></li>
+ <li role="presentation"><a id="scan_nav" aria-controls="scan" role="tab" href="#scan" data-toggle="tab">Scan</a></li>
<li role="presentation"><a id="history_nav" aria-controls="history" role="tab" href="#history" data-toggle="tab">History</a></li>
</ul>
<ul class="nav navbar-nav nav-pills pull-right" style="display:none">