Bug 307455 - 'Help Contents' menuitem is labeled 'Firefox Help' on OS X. r=steffen.

browser/locales/en-US/chrome/help/menu_reference.xhtml

@@ -372,7 +372,10 @@ Contributors:
 
 <h2 id="help">Help</h2>
 
-  <h3 id="help_contents">Help Contents</h3>
+  <h3 id="help_contents">
+    <span class="noMac">Help Contents</span>
+    <span class="mac">&brandShortName; Help</span>
+  </h3>
   <p>Opens the &brandShortName; Help window, which contains useful information
     that can help you browse the web.</p>