And use SPDX 3.0 license identifier
@ -17,8 +17,8 @@ stdenv.mkDerivation rec {
meta = with lib; {
description = "Portable DHCPv6 implementation";
homepage = "http://www.klub.com.pl/dhcpv6/";
license = licenses.gpl2;
homepage = "https://klub.com.pl/dhcpv6/";
license = licenses.gpl2Only;
platforms = platforms.all;
maintainers = with maintainers; [ fpletz ];
};