Index: modules/user.module
===================================================================
RCS file: /cvs/drupal/drupal/modules/user.module,v
retrieving revision 1.509
diff -u -r1.509 user.module
--- modules/user.module	8 Sep 2005 19:46:05 -0000	1.509
+++ modules/user.module	9 Sep 2005 16:21:45 -0000
@@ -1594,7 +1594,7 @@
       foreach ($permissions as $perm) {
         $row[] = array('data' => t($perm), 'class' => 'permission');
         foreach ($role_names as $rid => $name) {
-          $row[] = form_checkbox('', "$rid][$perm", 1, strstr($role_permissions[$rid], $perm));
+          $row[] = form_checkbox('', "$rid][$perm", 1, strstr($role_permissions[$rid], $perm), NULL, array('title' => $name .' : '. t($perm)));
         }
         $rows[] = $row;
         unset($row);