Index: head/games/endless-sky/Makefile
===================================================================
--- head/games/endless-sky/Makefile	(revision 421997)
+++ head/games/endless-sky/Makefile	(revision 421998)
@@ -1,35 +1,36 @@
 # Created by: Dmitry Marakasov <amdmi3@FreeBSD.org>
 # $FreeBSD$
 
 PORTNAME=	endless-sky
 PORTVERSION=	0.9.2
 DISTVERSIONPREFIX=	v
 CATEGORIES=	games
 
 MAINTAINER=	amdmi3@FreeBSD.org
 COMMENT=	Space exploration and combat game similar to Escape Velocity
 
-LICENSE=	GPLv3+
-LICENSE_FILE=	${WRKSRC}/license.txt
+LICENSE=	GPLv3+ CC-BY-4.0 CC-BY-SA-3.0 CC-BY-SA-4.0 PD
+LICENSE_COMB=	multi
+LICENSE_FILE_GPLv3=	${WRKSRC}/license.txt
 
 LIB_DEPENDS=	libpng.so:graphics/png
 
 BROKEN_FreeBSD_9=	does not build # revisit when ports gcc is switched to 4.9
 
 USE_GITHUB=	yes
 
 USES=		compiler:c++11-lib jpeg localbase openal scons
 USE_SDL=	sdl2
 USE_GL=		gl glew
 INSTALLS_ICONS=	yes
 
 PORTDATA=	*
 
 post-build:
 	@${REINPLACE_CMD} -e 's|/usr/local/|${PREFIX}/|; s|share/games|share|' \
 		${WRKSRC}/source/Files.cpp
 
 post-install:
 	@${STRIP_CMD} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 
 .include <bsd.port.mk>