port-unreachable, not net-unreachable mistake in REJECT doco.
diff --git a/iptables.8 b/iptables.8
index f1724e4..176df72 100644
--- a/iptables.8
+++ b/iptables.8
@@ -533,7 +533,7 @@
.BR icmp-host-unreachable ,
.BR icmp-port-unreachable or
.BR icmp-proto-unreachable
-which return the appropriate ICMP error message (net-unreachable is
+which return the appropriate ICMP error message (port-unreachable is
the default). The option
.B echo-reply
is also allowed; it can only be used for rules which specify an ICMP