diff --git a/core/client/app/templates/settings/labs.hbs b/core/client/app/templates/settings/labs.hbs
index e234a8977b..aaeea4caf4 100644
--- a/core/client/app/templates/settings/labs.hbs
+++ b/core/client/app/templates/settings/labs.hbs
@@ -5,6 +5,7 @@
 
 
 <section class="content settings-debug">
+    <p><strong>Important note:</strong> Labs is a testing ground for experimental features which aren't quite ready for primetime. They may change, break or inexplicably disappear at any time.</p>
     <form id="settings-export">
         <fieldset>
             <div class="form-group">