more verbose description

src/etc/sysctl.conf

@@ -1,7 +1,9 @@
-#	$OpenBSD: sysctl.conf,v 1.20 2000/09/27 18:25:17 angelos Exp $
-# This files contains a list of sysctl options the user wants set at
-# boot time.
-# ie.
+#	$OpenBSD: sysctl.conf,v 1.21 2000/10/23 17:15:47 deraadt Exp $
+#
+# This file contains a list of sysctl options the user wants set at
+# boot time.  See sysctl(3) and sysctl(8) for more information on
+# the many available variables.
+#
 #net.inet.ip.forwarding=1	# 1=Permit forwarding (routing) of packets
 #net.inet6.ip6.forwarding=1	# 1=Permit forwarding (routing) of packets
 #net.inet6.ip6.accept_rtadv=1	# 1=Permit IPv6 autoconf (forwarding must be 0)