diff --git a/usr.sbin/sysrc/sysrc.8 b/usr.sbin/sysrc/sysrc.8
index c35adad141ac..abc543055ed2 100644
--- a/usr.sbin/sysrc/sysrc.8
+++ b/usr.sbin/sysrc/sysrc.8
@@ -282,7 +282,7 @@ This will be corrected by a future enhancement.
 A
 .Nm
 utility first appeared in
-.Bx 10.0 .
+.Fx 10.0 .
 .Sh AUTHORS
 .An Devin Teske Aq dteske@FreeBSD.org
 .Sh THANKS TO