--- a/devtools/client/webide/content/webide.xul
+++ b/devtools/client/webide/content/webide.xul
@@ -144,17 +144,17 @@
 
     </vbox>
   </toolbar>
 
   <notificationbox flex="1" id="notificationbox">
     <div flex="1" id="deck-panels">
       <vbox id="project-listing-panel" class="project-listing panel-list" flex="1">
         <div id="project-listing-wrapper" class="panel-list-wrapper">
-          <iframe id="project-listing-panel-details" flex="1" src="project-listing.xhtml"/>
+          <iframe id="project-listing-panel-details" flex="1" src="project-listing.xhtml" tooltip="aHTMLTooltip"/>
         </div>
       </vbox>
       <splitter class="devtools-side-splitter" id="project-listing-splitter"/>
       <deck flex="1" id="deck" selectedIndex="-1">
         <iframe id="deck-panel-details" flex="1" src="details.xhtml"/>
         <iframe id="deck-panel-projecteditor" flex="1"/>
         <iframe id="deck-panel-addons" flex="1" src="addons.xhtml"/>
         <iframe id="deck-panel-prefs" flex="1" src="prefs.xhtml"/>
@@ -164,17 +164,17 @@
         <iframe id="deck-panel-devicepreferences" flex="1" lazysrc="devicepreferences.xhtml"/>
         <iframe id="deck-panel-devicesettings" flex="1" lazysrc="devicesettings.xhtml"/>
         <iframe id="deck-panel-logs" flex="1" src="logs.xhtml"/>
         <iframe id="deck-panel-simulator" flex="1" lazysrc="simulator.xhtml"/>
       </deck>
       <splitter class="devtools-side-splitter" id="runtime-listing-splitter"/>
       <vbox id="runtime-listing-panel" class="runtime-listing panel-list" flex="1">
         <div id="runtime-listing-wrapper" class="panel-list-wrapper">
-          <iframe id="runtime-listing-panel-details" flex="1" src="runtime-listing.xhtml"/>
+          <iframe id="runtime-listing-panel-details" flex="1" src="runtime-listing.xhtml" tooltip="aHTMLTooltip"/>
         </div>
       </vbox>
     </div>
     <splitter hidden="true" class="devtools-horizontal-splitter" orient="vertical"/>
     <!-- toolbox iframe will be inserted here -->
   </notificationbox>
 
 </window>