diff --git a/net/decnet/netfilter/dn_rtmsg.c b/net/decnet/netfilter/dn_rtmsg.c
index a4faacadd8a8..dc705769acc9 100644
--- a/net/decnet/netfilter/dn_rtmsg.c
+++ b/net/decnet/netfilter/dn_rtmsg.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  * DECnet       An implementation of the DECnet protocol suite for the LINUX
  *              operating system.  DECnet is implemented using the  BSD Socket
@@ -6,11 +7,8 @@
  *              DECnet Routing Message Grabulator
  *
  *              (C) 2000 ChyGwyn Limited  -  http://www.chygwyn.com/
- *              This code may be copied under the GPL v.2 or at your option
- *              any later version.
  *
  * Author:      Steven Whitehouse <steve@chygwyn.com>
- *
  */
 #include <linux/module.h>
 #include <linux/skbuff.h>