This module attempts to match various characteristics of the packet
creator, for locally-generated packets. It is only valid in the
.B OUTPUT
-chain, and even this some packets (such as ICMP ping responses) may
+chain, and even this some packets (such as ICMPv6 ping responses) may
have no owner, and hence never match. This is regarded as experimental.
.TP
.BI "--uid-owner " "userid"