add paragraph about raw table
diff --git a/iptables.8.in b/iptables.8.in
index d082c60..927e959 100644
--- a/iptables.8.in
+++ b/iptables.8.in
@@ -127,6 +127,16 @@
(for altering packets being routed through the box), and
.B POSTROUTING
(for altering packets as they are about to go out).
+.TP
+.BR "raw" :
+This table is used mainly for configuring exemptions from connection
+tracking in combination with the NOTRACK target. It registers at the netfilter
+hooks with higher priority and is thus called before ip_conntrack, or any other
+IP tables. It provides the following built-in chains:
+.B PREROUTING
+(for packets arriving via any network interface)
+.B OUTPUT
+(for packets generated by local processes)
.RE
.SH OPTIONS
The options that are recognized by