Index: pathauto/pathauto.admin.inc
===================================================================
--- pathauto/pathauto.admin.inc	(revision 1268)
+++ pathauto/pathauto.admin.inc	(working copy)
@@ -75,6 +75,7 @@
     $form[$module]['token_help']['help'] = array(
       '#theme' => 'token_tree',
       '#token_types' => array($settings->token_type),
+      '#dialog' => TRUE,
     );
   }