diff --git a/libs/pbd/pbd/fastlog.h b/libs/pbd/pbd/fastlog.h
index 9897da773a..f64ad996cf 100644
--- a/libs/pbd/pbd/fastlog.h
+++ b/libs/pbd/pbd/fastlog.h
@@ -1,6 +1,10 @@
-/* Copyright unknown. Code by Laurent de Soras <laurent@ohmforce.com>.
- */
+/*
+Copyright © 2013 Laurent de Soras <laurent.de.soras@free.fr>
 
+This work is free. You can redistribute it and/or modify it under the
+terms of the Do What The Fuck You Want To Public License, Version 2,
+as published by Sam Hocevar. See http://www.wtfpl.net/ for more details.
+*/
 #ifndef __pbd_fastlog_h__
 #define __pbd_fastlog_h__