diff --git a/keylogger.pyw b/keylogger.pyw
index d7b2a8c..0b1b5f0 100644
--- a/keylogger.pyw
+++ b/keylogger.pyw
@@ -1,3 +1,25 @@
+##############################################################################
+##
+## PyKeylogger: Simple Python Keylogger for Windows
+## Copyright (C) 2007 nanotube@users.sf.net
+##
+## http://pykeylogger.sourceforge.net/
+##
+## This program is free software; you can redistribute it and/or
+## modify it under the terms of the GNU General Public License
+## as published by the Free Software Foundation; either version 3
+## of the License, or (at your option) any later version.
+##
+## This program is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+## GNU General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with this program. If not, see <http://www.gnu.org/licenses/>.
+##
+##############################################################################
+
import pyHook
import time
import pythoncom