diff --git a/app/views/home/verleihkalender.html.erb b/app/views/home/verleihkalender.html.erb
index 58643e3..bc6c32e 100644
--- a/app/views/home/verleihkalender.html.erb
+++ b/app/views/home/verleihkalender.html.erb
@@ -13,5 +13,6 @@
     <iframe style="border-width: 0;"
       src="https://calendar.google.com/calendar/embed?src=f7i0qj89nelp59lq8panbqr2ek%40group.calendar.google.com&src=8gec92r2kpn59jqm4gclg06nrg%40group.calendar.google.com&color=%23853104" width="100%" height="100%" frameborder="0" scrolling="no">
     </iframe>
-    <script language="javascript" type="text/javascript">setTimeout("location.reload();",10000);</script>
+    <script language="javascript" type="text/javascript">setTimeout("location.reload();",60000);</script>
+    <!-- reloads automatically once every 60sec = 1min -->
 	</body>