diff --git a/examples/code128-LICENSE.txt b/examples/code128-LICENSE.txt
index d159169..a416159 100644
--- a/examples/code128-LICENSE.txt
+++ b/examples/code128-LICENSE.txt
@@ -1,3 +1,7 @@
+Copyright 2003 Grandzebu, All Rights Reserved
+
+http://grandzebu.net/informatique/codbar-en/code128.htm
+
                     GNU GENERAL PUBLIC LICENSE
                        Version 2, June 1991
 
diff --git a/testfiles/iso22028-2-romm-rgb.txt b/testfiles/iso22028-2-romm-rgb.txt
index e64611a..6f080bc 100644
--- a/testfiles/iso22028-2-romm-rgb.txt
+++ b/testfiles/iso22028-2-romm-rgb.txt
@@ -1,3 +1,7 @@
+https://www.color.org/chardata/rgb/rommrgb.xalter
+
+Copyright © 2006 Hewlett-Packard
+
 Terms of use
 
 This profile is made available by ICC, and may be copied, distributed, embedded, made, used, and sold without restriction. Altered versions of this profile shall have the original identification and copyright information removed and shall not be misrepresented as the original profile.