diff --git a/addons/portal/portal.py b/addons/portal/portal.py
index b9b857d09d1..b8843c71a3b 100644
--- a/addons/portal/portal.py
+++ b/addons/portal/portal.py
@@ -37,7 +37,7 @@ class portal(osv.osv):
             help=_('The group extended by this portal')),
         'menu_action_id': fields.many2one('ir.actions.actions', readonly=True,
             string='Menu Action',
-            help=_("What replaces the standard menu for the portal's users")),
+            help=_("If set, replaces the standard menu for the portal's users")),
         'parent_menu_id': fields.many2one('ir.ui.menu',
             string='Parent Menu',
             help=_('The menu action opens the submenus of this menu item')),