diff --git a/mkpasswd.c b/mkpasswd.c
index c419755..ae39c1e 100644
--- a/mkpasswd.c
+++ b/mkpasswd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2001-2008  Marco d'Itri
+ * Copyright (C) 2001-2018 Marco d'Itri <md@linux.it>.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
diff --git a/whois.c b/whois.c
index aff2c9c..4e70c2d 100644
--- a/whois.c
+++ b/whois.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1999-2010 by Marco d'Itri <md@linux.it>.
+ * Copyright (C) 1999-2018 Marco d'Itri <md@linux.it>.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by