diff --git a/xep.ent b/xep.ent
index 41cb2b3f..6b9cbdfd 100644
--- a/xep.ent
+++ b/xep.ent
@@ -1279,3 +1279,4 @@ IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>
 <!ENTITY xep0328 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0328.html'>JID Prep</link></span> <note>XEP-0328: JID Prep &lt;<link url='http://xmpp.org/extensions/xep-0328.html'>http://xmpp.org/extensions/xep-0328.html</link>&gt;.</note>" >
 <!ENTITY xep0329 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0329.html'>File Information Sharing</link></span> <note>XEP-0329: File Information Sharing &lt;<link url='http://xmpp.org/extensions/xep-0329.html'>http://xmpp.org/extensions/xep-0329.html</link>&gt;.</note>" >
 <!ENTITY xep0330 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0330.html'>Pubsub Subscription</link></span> <note>XEP-0330: Pubsub Subscription &lt;<link url='http://xmpp.org/extensions/xep-0330.html'>http://xmpp.org/extensions/xep-0330.html</link>&gt;.</note>" >
+<!ENTITY xep0331 "<span class='ref'><link url='http://xmpp.org/extensions/xep-0331.html'>Data Forms - Color Field Types</link></span> <note>XEP-0331: Data Forms - Color Field Types &lt;<link url='http://xmpp.org/extensions/xep-0331.html'>http://xmpp.org/extensions/xep-0331.html</link>&gt;.</note>" >