Merge pull request #335 from sensebox/revert-334-fix/dead-link#333

Revert "fix dead link closes #333"

Author: felixerdy

app/views/account.dashboard.html

@@ -8,7 +8,7 @@ <h3 translate="REGISTERED_BOXES" translate-values="{count: dashboard.boxes.lengt
           <p>
             <a ui-sref="account.register" class="btn btn-primary"
               role="button">{{'ACCOUNT_NEW_SENSEBOX' | translate}}</a>
-            <a href="https://sensebox.de/de/go-home" target="_blank" class="btn btn-default" role="button">{{'DOCUMENTATION'
+            <a href="https://books.sensebox.de" target="_blank" class="btn btn-default" role="button">{{'DOCUMENTATION'
               | translate}}</a>
             <a href="https://forum.sensebox.de" target="_blank" class="btn btn-default" role="button">Forum</a>
           </p>