diff --git a/asterisk/agi.py b/asterisk/agi.py
index f69c546..b2fdc03 100755
--- a/asterisk/agi.py
+++ b/asterisk/agi.py
@@ -1,6 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
-# vim:fenc=utf-8
+# vim: set et sw=4 fenc=utf-8: 
+
 """
 .. module:: agi
    :synopsis: This module contains functions and classes to implment AGI scripts in python.