From c3c1d365de010afaba83ac6c2d35e1409a56f00c Mon Sep 17 00:00:00 2001
From: Michael Tuexen <tuexen@FreeBSD.org>
Date: Fri, 15 Sep 2017 20:34:52 +0000
Subject: [PATCH] Add references. Suggested by Maxim Konovalov.

Sponsored by:	Netflix, Inc.
---
 usr.sbin/tcpdrop/tcpdrop.8 | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/usr.sbin/tcpdrop/tcpdrop.8 b/usr.sbin/tcpdrop/tcpdrop.8
index 43acf396967..35ed900fbd9 100644
--- a/usr.sbin/tcpdrop/tcpdrop.8
+++ b/usr.sbin/tcpdrop/tcpdrop.8
@@ -17,7 +17,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd September 14, 2017
+.Dd September 15, 2017
 .Dt TCPDROP 8
 .Os
 .Sh NAME
@@ -172,7 +172,10 @@ LAST_ACK state use:
 .Ed
 .Sh SEE ALSO
 .Xr netstat 1 ,
-.Xr sockstat 1
+.Xr sockstat 1 ,
+.Xr tcp 4 ,
+.Xr tcp_functions 9
+
 .Sh AUTHORS
 .An Markus Friedl Aq Mt markus@openbsd.org
 .An Juli Mallett Aq Mt jmallett@FreeBSD.org