Fix bad link in storage doc.

chrome/common/extensions/docs/templates/intros/storage.html

 <h2 id="overview">Overview</h2>
 
 <p>
 This API has been optimized
 to meet the specific storage needs of extensions.
 It provides the same storage capabilities as the
 <a href="https://developer.mozilla.org/en/DOM/Storage#localStorage">localStorage API</a>
 with the following key differences:
 </p>
 
@@ skipping 73 matching lines @@
 when you put your message in,
 it gets in line,
 and it's going to be delayed
 by anyone that puts into that tube
 enormous amounts of material.
 
 <p>For details on the current limits
 of the storage API, and what happens
 when those limits are exceeded, please
 see the quota information for
-<a href="#sync-properties">sync</a> and
-<a href="#local-properties">local</a>.
+$(ref:sync) and $(ref:local).
 
 <h2 id="examples">Examples</h2>
 
 <p>
 The following example checks for
 CSS code saved by a user on a form,
 and if found,
 stores it.
 </p>
 
@@ skipping 31 matching lines @@
     var storageChange = changes[key];
     console.log('Storage key "%s" in namespace "%s" changed. ' +
                 'Old value was "%s", new value is "%s".',
                 key,
                 namespace,
                 storageChange.oldValue,
                 storageChange.newValue);
   }
 });
 </pre>