diff --git a/games/sl/Makefile b/games/sl/Makefile
index b8eca6f395f5..3003f48c1438 100644
--- a/games/sl/Makefile
+++ b/games/sl/Makefile
@@ -5,12 +5,17 @@ PORTVERSION=	5.02
 CATEGORIES=	games
 
 MAINTAINER=	hym@cocoa.freemail.ne.jp
-COMMENT=	Steam locomotive runs across the screen if you type "sl" instead of "ls"
+COMMENT=	Steam locomotive runs across the screen if you type "sl"
 
+LICENSE=	SL_CUSTOM
+LICENSE_NAME=	sl Program License
+LICENSE_FILE=	${WRKSRC}/LICENSE
+LICENSE_PERMS=	dist-mirror dist-sell pkg-mirror pkg-sell auto-accept
+
+USES=		ncurses
 USE_GITHUB=	yes
 GH_ACCOUNT=	mtoyoda
 
-USES=		ncurses
 PLIST_FILES=	bin/${PORTNAME} \
 		man/man1/${PORTNAME}.1.gz \
 		man/ja/man1/${PORTNAME}.1.gz