help updates per bug161765; r=oeschger

extensions/help/resources/locale/en-US/search-db.rdf

@@ -1711,16 +1711,6 @@
    </nc:subheadings>
 </rdf:Description>
 
-<rdf:Description about="urn:root">
-   <nc:subheadings>
-     <rdf:Seq><rdf:li>
-       <rdf:Description ID="jennifer_moore"
-         nc:name="jennifer moore"
-	 nc:link="chrome://help/locale/cs_nav_dialogs.html#jennifer_mooreSDX"/>
-     </rdf:li></rdf:Seq>
-   </nc:subheadings>
-</rdf:Description>
-
 <rdf:Description about="urn:root">
    <nc:subheadings>
      <rdf:Seq><rdf:li>
@@ -1781,16 +1771,6 @@
    </nc:subheadings>
 </rdf:Description>
 
-<rdf:Description about="urn:root">
-   <nc:subheadings>
-     <rdf:Seq><rdf:li>
-       <rdf:Description ID="laura_krietemeyer"
-         nc:name="laura krietemeyer"
-	 nc:link="chrome://help/locale/cs_nav_dialogs.html#laura_krietemeyerSDX"/>
-     </rdf:li></rdf:Seq>
-   </nc:subheadings>
-</rdf:Description>
-
 <rdf:Description about="urn:root">
    <nc:subheadings>
      <rdf:Seq><rdf:li>
@@ -3491,6 +3471,16 @@
    </nc:subheadings>
 </rdf:Description>
 
+<rdf:Description about="urn:root">
+   <nc:subheadings>
+     <rdf:Seq><rdf:li>
+       <rdf:Description ID="type_ahead_searching"
+         nc:name="type ahead searching"
+	 nc:link="chrome://help/locale/nav_help.html#type_ahead_searchingSDX"/>
+     </rdf:li></rdf:Seq>
+   </nc:subheadings>
+</rdf:Description>
+
 <rdf:Description about="urn:root">
    <nc:subheadings>
      <rdf:Seq><rdf:li>