diff --git a/man7/udp.7 b/man7/udp.7
index 7d1528681..8ab664c5e 100644
--- a/man7/udp.7
+++ b/man7/udp.7
@@ -4,6 +4,7 @@
 .\" and in case of nontrivial modification author and date
 .\" of the modification is added to the header.
 .\" $Id: udp.7,v 1.7 2000/01/22 01:55:05 freitag Exp $
+.\" FIXME Document UDP_CORK
 .TH UDP  7 1998-10-02 "Linux Man Page" "Linux Programmer's Manual" 
 .SH NAME
 udp \- User Datagram Protocol for IPv4