document default operation of identd; mentioned by creamy@nocrater.com

src/etc/rc.conf

@@ -1,6 +1,6 @@
 #!/bin/sh -
 #
-#	$OpenBSD: rc.conf,v 1.175 2012/11/17 16:25:44 ajacoutot Exp $
+#	$OpenBSD: rc.conf,v 1.176 2013/03/24 02:07:27 deraadt Exp $
 
 # DO NOT EDIT THIS FILE!!
 #
@@ -86,7 +86,7 @@ spamlogd_flags=""	# use eg. "-i interface" and see spamlogd(8)
 ftpd_flags=NO		# for non-inetd use: ""
 
 # Set to NO if identd is running out of inetd
-identd_flags=NO		# for non-inetd use: "-elo"
+identd_flags=NO		# for non-inetd use: "-el"
 
 # Set to NO if popa3d is running out of inetd
 popa3d_flags=NO		# for non-inetd use: ""