Minor adjustments to fix Chrome bug with the hint helper
diff --git a/dev/demo/all.html b/dev/demo/all.html
index c46dd69..a1a4cae 100644
--- a/dev/demo/all.html
+++ b/dev/demo/all.html
@@ -139,6 +139,11 @@
 	</div>
       </div>
     </main>
+
+    <footer>
+      <a href="/doc/KorAP">About</a>
+    </footer>
+
     <script src="../js/lib/dagre/dagre.min.js"></script>
     <script src="../js/src/api.js"></script>
     <script src="../js/src/hint.js"></script>