diff --git a/net-mgmt/sing/Makefile b/net-mgmt/sing/Makefile
index 2c190dcb03f7..09b7c444d822 100644
--- a/net-mgmt/sing/Makefile
+++ b/net-mgmt/sing/Makefile
@@ -1,9 +1,5 @@
-# Ports collection makefile for:  sing
-# Date created:			  Oct 6 2000
-# Whom:				  Roman Shterenzon <roman@xpert.com>
-#
+# Created by: Roman Shterenzon <roman@xpert.com>
 # $FreeBSD$
-#
 
 PORTNAME=	sing
 PORTVERSION=	1.1
@@ -16,6 +12,8 @@ EXTRACT_SUFX=	.tgz
 MAINTAINER=	ports@FreeBSD.org
 COMMENT=	Tool for sending customized ICMP packets
 
+LICENSE=	GPLv2
+
 BUILD_DEPENDS=	${LIBNET_CONFIG}:${PORTSDIR}/net/libnet10
 
 GNU_CONFIGURE=	yes