diff -ruN sysutils/liburcu.orig/Makefile sysutils/liburcu/Makefile
--- sysutils/liburcu.orig/Makefile	2020-06-26 22:00:33.941246000 +0000
+++ sysutils/liburcu/Makefile	2020-06-26 22:01:06.257304000 +0000
@@ -7,7 +7,7 @@
 MASTER_SITES=	http://lttng.org/files/urcu/
 DISTNAME=	userspace-rcu-${PORTVERSION}
 
-MAINTAINER=	ports@FreeBSD.org
+MAINTAINER=	freebsd@dns-lab.com
 COMMENT=	Userspace read-copy-update (RCU) data synchronization library
 
 LICENSE=	LGPL21