diff --git a/js/testing/test-signature-string.html b/js/testing/test-signature-string.html
index 26a1931..025d065 100644
--- a/js/testing/test-signature-string.html
+++ b/js/testing/test-signature-string.html
@@ -1,6 +1,9 @@
 <?xml version = "1.0" encoding="utf-8" ?>
 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 "DTD/xhtml1-strict.dtd">
+<!-- 
+	See COPYING for copyright and distribution information.
+-->
 <html xmlns = "http://www.w3.org/1999/xhtml">
 
 <head>