diff --git a/user_guide/libraries/database/configuration.html b/user_guide/libraries/database/configuration.html
index 4b7d2a8..1e14438 100644
--- a/user_guide/libraries/database/configuration.html
+++ b/user_guide/libraries/database/configuration.html
@@ -117,6 +117,7 @@
 <li><strong>pconnect</strong> - TRUE/FALSE (boolean) - Whether to use a persistent connection.</li> 
 <li><strong>db_debug</strong> - TRUE/FALSE (boolean) - Whether database errors should be displayed.</li> 
 <li><strong>active_r</strong> - TRUE/FALSE (boolean) - Whether to load the <a href="active_record.html">Active Record Class</a>. If you are not using the active record class you can have it omitted when the database classes are initialized in order to utilize less resources.</li> 
+<li><strong>port</strong> - The database port number.  Currently only used with the Postgre driver.</li>
 </ul>
 
 <p class="important"><strong>Note:</strong> Depending on what database platform you are using (MySQL, Postgre, etc.)