diff --git a/templates/collections.html.ep b/templates/collections.html.ep
index 046a3a8..59f62ce 100644
--- a/templates/collections.html.ep
+++ b/templates/collections.html.ep
@@ -12,3 +12,4 @@
   </li>
 % };
 </ul>
+<p style="font-size: 9pt; padding-left: 1em">Index port: <%= $c->url_for($c->config('KorAP')->{'api-0.1'})->port %></p>