diff --git a/share/man/man3/arb.3 b/share/man/man3/arb.3
index 1afc7cdc0baa..14ea77c2b35a 100644
--- a/share/man/man3/arb.3
+++ b/share/man/man3/arb.3
@@ -1,6 +1,7 @@
 .\"	$OpenBSD: tree.3,v 1.7 2002/06/12 01:09:20 provos Exp $
 .\"
 .\" Copyright 2002 Niels Provos <provos@citi.umich.edu>
+.\" Copyright 2018-2019 Netflix, Inc.
 .\" All rights reserved.
 .\"
 .\" Redistribution and use in source and binary forms, with or without
diff --git a/sys/sys/arb.h b/sys/sys/arb.h
index 4bcd17bd2f74..aa076e4681b9 100644
--- a/sys/sys/arb.h
+++ b/sys/sys/arb.h
@@ -1,11 +1,8 @@
-/*	$NetBSD: tree.h,v 1.8 2004/03/28 19:38:30 provos Exp $	*/
-/*	$OpenBSD: tree.h,v 1.7 2002/10/17 21:51:54 art Exp $	*/
-/* $FreeBSD$ */
-
 /*-
  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
  *
  * Copyright 2002 Niels Provos <provos@citi.umich.edu>
+ * Copyright 2018-2019 Netflix, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -27,6 +24,8 @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * $FreeBSD$
  */
 
 #ifndef	_SYS_ARB_H_