diff --git a/zipfilesystem.rb b/zipfilesystem.rb
index 28892a4..4c6bf77 100755
--- a/zipfilesystem.rb
+++ b/zipfilesystem.rb
@@ -161,3 +161,6 @@ module Zip
   end
 end
 
+# Copyright (C) 2002, 2003 Thomas Sondergaard
+# rubyzip is free software; you can redistribute it and/or
+# modify it under the terms of the ruby license.
diff --git a/zipfilesystemtest.rb b/zipfilesystemtest.rb
index 1390ed7..0bd57db 100755
--- a/zipfilesystemtest.rb
+++ b/zipfilesystemtest.rb
@@ -472,6 +472,6 @@ END {
   end
 }
 
-# Copyright (C) 2002 Thomas Sondergaard
+# Copyright (C) 2002, 2003 Thomas Sondergaard
 # rubyzip is free software; you can redistribute it and/or
 # modify it under the terms of the ruby license.
diff --git a/ziptest.rb b/ziptest.rb
index bb0410d..a7c22bb 100755
--- a/ziptest.rb
+++ b/ziptest.rb
@@ -1803,6 +1803,7 @@ END {
   exit if ARGV.index("recreateonly") != nil
 }
 
-# Copyright (C) 2002 Thomas Sondergaard
+
+# Copyright (C) 2002, 2003 Thomas Sondergaard
 # rubyzip is free software; you can redistribute it and/or
 # modify it under the terms of the ruby license.