Index: Makefile
===================================================================
--- Makefile	(revision 449797)
+++ Makefile	(working copy)
@@ -10,10 +10,10 @@
 MAINTAINER=	perl@FreeBSD.org
 COMMENT=	Practical Extraction and Report Language
 
-LICENSE=	ART10 GPLv1
+LICENSE=	ART10 GPLv1+
 LICENSE_COMB=	dual
 LICENSE_FILE_ART10=	${WRKSRC}/Artistic
-LICENSE_FILE_GPLv1=	${WRKSRC}/Copying
+LICENSE_FILE_GPLv1+ =	${WRKSRC}/Copying
 
 DEPRECATED=	Support ends three years after .0 release, please upgrade to a more recent version of Perl
 EXPIRATION_DATE=2018-06-01