Bug 353533: backing out my premature patch.

browser/locales/en-US/chrome/help/firebird-toc.rdf

@@ -453,7 +453,7 @@
       <Seq>
         <li><Description rdf:ID="prefs-advanced-javascript" nc:name="Advanced Javascript Settings" nc:link="prefs.xhtml#advanced_javascript"/></li>
         <li><Description rdf:ID="prefs-fonts-and-colors" nc:name="Fonts and Colors" nc:link="prefs.xhtml#fonts_and_colors"/></li>
-        <li><Description rdf:ID="prefs-download-actions" nc:name="File Types" nc:link="prefs.xhtml#file_types"/></li>
+        <li><Description rdf:ID="prefs-file-types" nc:name="File Types" nc:link="prefs.xhtml#file_types"/></li>
       </Seq>
     </nc:subheadings>
   </Description>