diff --git a/usr.sbin/newsyslog/newsyslog.c b/usr.sbin/newsyslog/newsyslog.c
--- a/usr.sbin/newsyslog/newsyslog.c
+++ b/usr.sbin/newsyslog/newsyslog.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause AND NTP-0
+ *
  * ------+---------+---------+-------- + --------+---------+---------+---------*
  * This file includes significant modifications done by:
  * Copyright (c) 2003, 2004  - Garance Alistair Drosehn <gad@FreeBSD.org>.
diff --git a/usr.sbin/newsyslog/ptimes.c b/usr.sbin/newsyslog/ptimes.c
--- a/usr.sbin/newsyslog/ptimes.c
+++ b/usr.sbin/newsyslog/ptimes.c
@@ -1,4 +1,6 @@
 /*-
+ * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+ *
  * ------+---------+---------+---------+---------+---------+---------+---------*
  * Initial version of parse8601 was originally added to newsyslog.c in
  *     FreeBSD on Jan 22, 1999 by Garrett Wollman <wollman@FreeBSD.org>.