Document that `reload' is not provided by default

yet it can be enabled when applicable.

etc/rc.subr

@@ -426,6 +426,8 @@ wait_for_pids()
 #	reload		Similar to stop, except use $sig_reload instead,
 #			and doesn't wait_for_pids.
 #			$sig_reload defaults to HUP.
+#			Note that `reload' isn't provided by default,
+#			it should be enabled via $extra_commands.
 #
 #	restart		Run `stop' then `start'.
 #

share/man/man8/rc.subr.8

@@ -36,7 +36,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd January 6, 2004
+.Dd October 26, 2005
 .Dt RC.SUBR 8
 .Os
 .Sh NAME
@@ -625,6 +625,16 @@ except that it uses
 .Va sig_reload
 instead, and does not run
 .Ic wait_for_pids .
+Another difference from
+.Cm stop
+is that
+.Cm reload
+is not provided by default.
+It can be enabled via
+.Va extra_commands
+if appropriate:
+.Pp
+.Dl "extra_commands=reload"
 .It Cm restart
 Runs the
 .Cm stop