diff --git a/LICENCE b/LICENCE
index 551cffd..08bb35a 100644
--- a/LICENCE
+++ b/LICENCE
@@ -1,7 +1,7 @@
 This software is copyright (c) 2004-2008 Simon Tatham.
 
 Portions copyright Richard Boulton, James Harvey, Mike Pinna, Jonas
-Kölker, Dariusz Olszewski and Michael Schierl.
+Kölker, Dariusz Olszewski, Michael Schierl and Lambros Lambrou.
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation files
diff --git a/puzzles.but b/puzzles.but
index 9aeb20d..89f2267 100644
--- a/puzzles.but
+++ b/puzzles.but
@@ -2296,7 +2296,8 @@ grid, through the \q{Type} menu.
 This software is \i{copyright} 2004-2008 Simon Tatham.
 
 Portions copyright Richard Boulton, James Harvey, Mike Pinna, Jonas
-K\u00F6{oe}lker, Dariusz Olszewski and Michael Schierl.
+K\u00F6{oe}lker, Dariusz Olszewski, Michael Schierl and Lambros
+Lambrou.
 
 Permission is hereby granted, free of charge, to any person
 obtaining a copy of this software and associated documentation files