diff --git a/lib/core/revision.py b/lib/core/revision.py
index 73259d567..3b6fe562d 100644
--- a/lib/core/revision.py
+++ b/lib/core/revision.py
@@ -1,3 +1,12 @@
+#!/usr/bin/env python
+
+"""
+$Id$
+
+Copyright (c) 2006-2010 sqlmap developers (http://sqlmap.sourceforge.net/)
+See the file 'doc/COPYING' for copying permission
+"""
+
 import os
 import re