diff --git a/html/pages/device/edit/ports.inc.php b/html/pages/device/edit/ports.inc.php
index 037160d087..002d4fb460 100644
--- a/html/pages/device/edit/ports.inc.php
+++ b/html/pages/device/edit/ports.inc.php
@@ -1,4 +1,4 @@
-<span id="message"></span>
+<span id="message"><small><div class="alert alert-danger">n.b For the first time, please click any button twice.</div></small></span>
 
 <form id='ignoreport' name='ignoreport' method='post' action='' role='form' class='form-inline'>
     <input type='hidden' name='ignoreport' value='yes'>