Code enhancement

app/templates/admin/user.html.j2

@@ -4,7 +4,7 @@
 <div class="col s12 m4">
   <h3 id="title">{{ user.username }}</h3>
   <p id="description">Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat, sed diam voluptua. At vero eos et accusam et justo duo dolores et ea rebum. Stet clita kasd gubergren,</p>
-  <a class="waves-effect waves-light btn" href="{{ url_for('admin.board') }}"><i class="material-icons left">arrow_back</i>Back to admin board</a>
+  <a class="waves-effect waves-light btn" href="{{ url_for('admin.index') }}"><i class="material-icons left">arrow_back</i>Back to admin board</a>
 </div>
 
 <div class="col s12 m8">

app/templates/base.html.j2

@@ -140,7 +140,7 @@
         {% if current_user.is_administrator() %}
         <li><div class="divider"></div></li>
         <li><a class="subheader">Administration</a></li>
-        <li><a href="{{ url_for('admin.board') }}"><i class="material-icons">build</i>Administration tools</a></li>
+        <li><a href="{{ url_for('admin.index') }}"><i class="material-icons">build</i>Administration tools</a></li>
         {% endif %}
         <div class="hide-on-large-only">
           <li><div class="divider"></div></li>