Remove extra space between 'AdminLTE' and 'on' in footer

core/admin/mailu/ui/templates/base.html

@@ -49,7 +49,7 @@
       <footer class="main-footer">
         Built with <i class="fa fa-heart"></i> using <a class="white-text" href="http://flask.pocoo.org/">Flask</a> and
         <a class="white-text" href="https://adminlte.io/themes/v3/index3.html">AdminLTE</a>
-        <span class="pull-right"><i class="fa fa-code-fork"></i> on <a class="white-text" href="https://github.com/Mailu/Mailu">Github</a></a></span>
+        <span class="pull-right"><i class="fa fa-code-fork"></i>on <a class="white-text" href="https://github.com/Mailu/Mailu">Github</a></a></span>
       </footer>
     </div>
     <script src="{{ url_for('.static', filename='vendor.js') }}"></script>