diff --git a/tests/sha-private.h b/tests/sha-private.h
index 6e9c4520..d94d4374 100644
--- a/tests/sha-private.h
+++ b/tests/sha-private.h
@@ -1,5 +1,9 @@
 /************************ sha-private.h ************************/
 /***************** See RFC 6234 for details. *******************/
+/* Copyright (c) 2011 IETF Trust and the persons identified as */
+/* authors of the code.  All rights reserved.                  */
+/* See sha.h for terms of use and redistribution.              */
+
 #ifndef _SHA_PRIVATE__H
 #define _SHA_PRIVATE__H
 /*