diff --git a/man7/netlink.7 b/man7/netlink.7
index 8ec7441a3..87b998696 100644
--- a/man7/netlink.7
+++ b/man7/netlink.7
@@ -56,11 +56,17 @@ Messages from 1-wire subsystem.
 .BR NETLINK_USERSOCK
 Reserved for user-mode socket protocols.
 .TP
-.BR NETLINK_FIREWALL
+.BR NETLINK_FIREWALL " (up to and including Linux 3.4)"
+.\" removed by commit d16cf20e2f2f13411eece7f7fb72c17d141c4a84
 Transport IPv4 packets from netfilter to user space.
 Used by
 .I ip_queue
 kernel module.
+After a long period of being declared obsolete (in favor of the more advanced
+.I nfnetlink_queue
+feature),
+.BR NETLINK_FIREWALL
+was removed in Linux 3.5.
 .TP
 .BR NETLINK_INET_DIAG " (since Linux 2.6.14)"
 Query information about sockets of various protocol families from the kernel