Bug 266331 - wrong tooltip is used for the feed button when a page which has feeds is being loaded. patch from Phil Ringnalda <bugzilla@philringnalda.com>, r=me.

browser/base/content/browser.js

@@ -6156,8 +6156,11 @@ var FeedHandler = {
       browserForLink.feeds = feeds;
       if (browserForLink == gBrowser || browserForLink == gBrowser.mCurrentBrowser) {
         var feedButton = document.getElementById("feed-button");
-        if (feedButton)
+        if (feedButton) {
           feedButton.setAttribute("feeds", "true");
+          feedButton.setAttribute("tooltiptext", 
+                                  gNavigatorBundle.getString("feedHasFeeds"));
+        }
       }
     }
   }