Document change from "ord" to "autonumber" in template

documentation.html

@@ -84,7 +84,7 @@
 <li><em>stitle</em>: The sequence will be replaced by a simplified video title, restricted to alphanumeric characters and dashes.</li>
 <li><em>ext</em>: The sequence will be replaced by the appropriate extension (like <em>flv</em> or <em>mp4</em>).</li>
 <li><em>epoch</em>: The sequence will be replaced by the Unix epoch when creating the file.</li>
-<li><em>ord</em>: The sequence will be replaced by a five-digit number that will be increased with each download, starting at zero.</li>
+<li><em>autonumber</em>: The sequence will be replaced by a five-digit number that will be increased with each download, starting at zero.</li>
 </ul>
 
 <p>As you may have guessed, the default template is <em>%(id)s.%(ext)s</em>. When some command line options are used, it's replaced by other templates like <em>%(title)s-%(id)s.%(ext)s</em>. You can specify your own.</p>