Index: textproc/docbook-xml/Makefile
===================================================================
--- textproc/docbook-xml/Makefile	(revision 506326)
+++ textproc/docbook-xml/Makefile	(working copy)
@@ -4,7 +4,7 @@
 PORTVERSION=	5.0
 PORTREVISION=	3
 CATEGORIES=	textproc
-MASTER_SITES=	${DBFILES:C,(.*):(.*),http://www.docbook.org/xml/\1/:\2,:C,:docbook-xml-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,:C,:docbook-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,}
+MASTER_SITES=	${DBFILES:C,(.*):(.*),https://www.docbook.org/xml/\1/:\2,:C,:docbook-xml-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,:C,:docbook-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,}
 PKGNAMESUFFIX=	-xml
 DISTFILES=	${DBFILES:C,.*:(.*),\1.zip:\1,:C,:docbook-xml-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,:C,:docbook-([0-9]+).([0-9]+).?([0-9]*),:db\1\2\3,}