diff --git a/libmpdvdkit2/common.h b/libmpdvdkit2/common.h
index 23eb580cf6..6d292e4590 100644
--- a/libmpdvdkit2/common.h
+++ b/libmpdvdkit2/common.h
@@ -3,6 +3,9 @@
  * Collection of useful common types and macros definitions
  *****************************************************************************
  * Copyright (C) 1998, 1999, 2000 VideoLAN
+ *
+ * Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
+ * detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  * $Id$
  *
  * Authors: Samuel Hocevar <sam@via.ecp.fr>
diff --git a/libmpdvdkit2/css.c b/libmpdvdkit2/css.c
index 3af8197811..ba87c09ec8 100644
--- a/libmpdvdkit2/css.c
+++ b/libmpdvdkit2/css.c
@@ -2,6 +2,9 @@
  * css.c: Functions for DVD authentication and descrambling
  *****************************************************************************
  * Copyright (C) 1999-2003 VideoLAN
+ *
+ * Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
+ * detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  * $Id$
  *
  * Authors: Stéphane Borel <stef@via.ecp.fr>
diff --git a/libmpdvdkit2/device.c b/libmpdvdkit2/device.c
index 89d73ad358..d2853e36a2 100644
--- a/libmpdvdkit2/device.c
+++ b/libmpdvdkit2/device.c
@@ -2,6 +2,9 @@
  * device.h: DVD device access
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
+ *
+ * Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
+ * detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  * $Id$
  *
  * Authors: Stéphane Borel <stef@via.ecp.fr>
diff --git a/libmpdvdkit2/error.c b/libmpdvdkit2/error.c
index 6c3c60b89f..e30e18e445 100644
--- a/libmpdvdkit2/error.c
+++ b/libmpdvdkit2/error.c
@@ -2,6 +2,9 @@
  * error.c: error management functions
  *****************************************************************************
  * Copyright (C) 1998-2002 VideoLAN
+ *
+ * Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
+ * detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  * $Id$
  *
  * Author: Samuel Hocevar <sam@zoy.org>
diff --git a/libmpdvdkit2/libdvdcss.c b/libmpdvdkit2/libdvdcss.c
index 81dcd72a13..16c8563eca 100644
--- a/libmpdvdkit2/libdvdcss.c
+++ b/libmpdvdkit2/libdvdcss.c
@@ -5,6 +5,9 @@
  *          Håkan Hjort <d95hjort@dtek.chalmers.se>
  *
  * Copyright (C) 1998-2002 VideoLAN
+ *
+ * Modified for use with MPlayer, changes contained in libdvdcss_changes.diff.
+ * detailed CVS changelog at http://www.mplayerhq.hu/cgi-bin/cvsweb.cgi/main/
  * $Id$
  *
  * This program is free software; you can redistribute it and/or modify