diff --git a/puzzles.but b/puzzles.but
index e22e63d..bbba6c0 100644
--- a/puzzles.but
+++ b/puzzles.but
@@ -3360,7 +3360,8 @@ This software is \i{copyright} 2004-2014 Simon Tatham.
 
 Portions copyright Richard Boulton, James Harvey, Mike Pinna, Jonas
 K\u00F6{oe}lker, Dariusz Olszewski, Michael Schierl, Lambros Lambrou,
-Bernd Schmidt, Steffen Bauer, Lennard Sprong and Rogier Goossens.
+Bernd Schmidt, Steffen Bauer, Lennard Sprong, Rogier Goossens and
+Michael Quevillon.
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation files