Minor doc fixes.

chrome/common/extensions/docs/static/docs.html

 <div id="pageData-name" class="pageData">Hello There!</div>
 
 <p>
 This documentation tells you how to write extensions
 and packaged apps for the
 <a href="http://www.google.com/chrome">Google Chrome browser</a>.
 Because extensions came first,
-the APIs and these docs say <em>extension</em> everywhere,
-even though almost everything applies to packaged apps, as well.
+the APIs and these docs say <em>extension</em> everywhere.
 </p>
 
 <p class="caution">
 <b>Note:</b>
 Unless you see a note
 describing an exception for packaged apps,
 everything in this documentation applies to both extensions and packaged apps.
 </p>
 
 
@@ skipping 112 matching lines @@
       but haven't been integrated into it yet.
 
       <p>
       <strong>Note:</strong>
       The trunk version of the doc is preliminary and might have errors.
       </p>
     </td>
   </tr>
 </table>
 </p>