Index: modules/system/system.api.php
===================================================================
RCS file: /cvs/drupal/drupal/modules/system/system.api.php,v
retrieving revision 1.185
diff -u -p -r1.185 system.api.php
--- modules/system/system.api.php	17 Aug 2010 13:52:31 -0000	1.185
+++ modules/system/system.api.php	20 Aug 2010 08:52:52 -0000
@@ -973,6 +973,8 @@ function hook_page_build(&$page) {
  *     - MENU_DEFAULT_LOCAL_TASK: Every set of local tasks should provide one
  *       "default" task, which should display the same page as the parent item.
  *     If the "type" element is omitted, MENU_NORMAL_ITEM is assumed.
+ *   - "options": An array of options for displaying the menu item as a link.
+ *     See the l() function for more information.
  *
  * For a detailed usage example, see page_example.module.
  * For comprehensive documentation on the menu system, see
