diff --git a/xep.ent b/xep.ent
index 8b4c39bc..53e96c56 100644
--- a/xep.ent
+++ b/xep.ent
@@ -415,6 +415,7 @@
 <!ENTITY sievenotifyxmpp "<span class='ref'>Sieve Notification Mechanism: xmpp</span> <note>Sieve Notification Mechanism: xmpp &lt;<link url='http://www.ietf.org/internet-drafts/draft-ietf-sieve-notify-xmpp-01.txt'>http://www.ietf.org/internet-drafts/draft-ietf-sieve-notify-xmpp-01.txt</link>&gt;. Work in progress.</note>" >
 <!ENTITY sdpng "<span class='ref'>Session Description and Capability Negotiation (SDPng)</span> <note>Session Description and Capability Negotiation (SDPng) &lt;<link url='http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdpng-09.txt'>http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdpng-09.txt</link>&gt;. Work in progress.</note>" >
 <!ENTITY sshx509 "<span class='ref'>X.509 Authentication in SSH2</span> <note>X.509 Authentication in SSH2 &lt;<link url='http://www.ietf.org/internet-drafts/draft-ietf-secsh-x509-03.txt'>http://www.ietf.org/internet-drafts/draft-ietf-secsh-x509-03.txt</link>&gt;. Work in progress.</note>" >
+<!ENTITY tcprobust "<span class='ref'>Improving TCP's Robustness to Blind In-Window Attacks</span> <note>Improving TCP's Robustness to Blind In-Window Attacks &lt;<link url='http://www.ietf.org/internet-drafts/draft-ietf-ietf-tcpm-tcpsecure-06.txt'>http://www.ietf.org/internet-drafts/draft-ietf-ietf-tcpm-tcpsecure-06.txt</link>&gt;. Work in progress.</note>" >
 <!ENTITY turn "<span class='ref'>TURN</span> <note>Obtaining Relay Addresses from Simple Traversal Underneath NAT (STUN) &lt;<link url='http://www.ietf.org/internet-drafts/draft-ietf-behave-turn-02.txt'>http://www.ietf.org/internet-drafts/draft-ietf-behave-turn-02.txt</link>&gt;. Work in progress.</note>" >
 <!ENTITY zrtp "<span class='ref'>ZRTP</span> <note>ZRTP: Extensions to RTP for Diffie-Hellman Key Agreement for SRTP &lt;<link url='http://www.ietf.org/internet-drafts/draft-zimmermann-avt-zrtp-01.txt'>http://www.ietf.org/internet-drafts/draft-zimmermann-avt-zrtp-01.txt</link>&gt;. Work in progress.</note>" >