diff --git a/usr.bin/mkcsmapper/mkcsmapper.1 b/usr.bin/mkcsmapper/mkcsmapper.1
index 89941827e35..f025abce116 100644
--- a/usr.bin/mkcsmapper/mkcsmapper.1
+++ b/usr.bin/mkcsmapper/mkcsmapper.1
@@ -30,7 +30,7 @@
 .\" event of any discrepancy between this version and the original IEEE and
 .\" The Open Group Standard, the original IEEE and The Open Group Standard is
 .\" the referee document.  The original Standard can be obtained at
-.\"     http://www.opengroup.org/standards/unix.
+.\" https://www.opengroup.org/membership/forums/platform/unix
 .\"
 .\" $FreeBSD$
 .\"