diff --git a/src/buttons.c b/src/buttons.c
index f7f65bad..d1cce56a 100644
--- a/src/buttons.c
+++ b/src/buttons.c
@@ -4,7 +4,7 @@
 
     Copyright 2011 Pawel Góralski
     Copyright 2008 Yves Rizoud
-    Copyright 2007-2010 Adrien Destugues (PulkoMandy)
+    Copyright 2007-2017 Adrien Destugues (PulkoMandy)
     Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
 
     Grafx2 is free software; you can redistribute it and/or
diff --git a/src/graph.c b/src/graph.c
index 675d3e55..c6cd016c 100644
--- a/src/graph.c
+++ b/src/graph.c
@@ -3,7 +3,7 @@
 /*  Grafx2 - The Ultimate 256-color bitmap paint program
 
     Copyright 2008 Franck Charlet
-    Copyright 2007 Adrien Destugues
+    Copyright 2007-2017 Adrien Destugues
     Copyright 1996-2001 Sunset Design (Guillaume Dorme & Karl Maritaud)
 
     Grafx2 is free software; you can redistribute it and/or