diff --git a/microdata_test.go b/microdata_test.go
index 32fcf39..0f90b88 100644
--- a/microdata_test.go
+++ b/microdata_test.go
@@ -1,3 +1,9 @@
+/*
+  To the extent possible under law, Ian Davis has waived all copyright
+  and related or neighboring rights to this Source Code file.
+  This work is published from the United Kingdom. 
+*/
+
 package microdata
 
 import (