diff --git a/panel/headers b/panel/headers
index 8719ea1..b598d13 100644
--- a/panel/headers
+++ b/panel/headers
@@ -1,5 +1,6 @@
 ##############################################################################
-# Copyright (c) 1998,2006 Free Software Foundation, Inc.                     #
+# Copyright 2020 Thomas E. Dickey                                            #
+# Copyright 1998,2006 Free Software Foundation, Inc.                         #
 #                                                                            #
 # Permission is hereby granted, free of charge, to any person obtaining a    #
 # copy of this software and associated documentation files (the "Software"), #