diff --git a/COPYRIGHT b/COPYRIGHT
index e07932b4c761214bd4d5278bb583a604b0035e25..6e0e3ae62f7bc45be73e2d4e24a7bc006d55f023 100644
--- a/COPYRIGHT
+++ b/COPYRIGHT
@@ -1,10 +1,13 @@
-The diceware idea Copyright(C) 1995-2014, Arnold G. Reinhold,
+The diceware idea Copyright(C) 1995-2015, Arnold G. Reinhold,
 Cambridge, Massachusetts USA.
 
-The English Diceware Wordlist used with this programme is licensed by
-Arnold G. Reinhold under the `Creative Commons CC-BY 3.0` (see
+The English Diceware Wordlist used with this programme (file
+wordlist/wordlist) is licensed by Arnold G. Reinhold under the
+`Creative Commons CC-BY 3.0` (see
 http://creativecommons.org/licenses/by/3.0/) license.
 
+"Diceware" is a trademark of A G Reinhold.
+
 diceware -- Python implementation
 Copyright (C) 2015 Uli Fouquet