diff --git a/xep.ent b/xep.ent
index 4caac293..2cc11282 100644
--- a/xep.ent
+++ b/xep.ent
@@ -576,6 +576,7 @@ THE SOFTWARE.
 <!ENTITY rfc4848 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4848'>RFC 4848</link></span> <note>RFC 4848: Domain-Based Application Service Location Using URIs and the Dynamic Delegation Discovery Service (DDDS) &lt;<link url='http://tools.ietf.org/html/rfc4848'>http://tools.ietf.org/html/rfc4848</link>&gt;.</note>" >
 <!ENTITY rfc4854 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4854'>RFC 4854</link></span> <note>RFC 4854: A Uniform Resource Name (URN) Namespace for Extensions to the Extensible Messaging and Presence Protocol (XMPP) &lt;<link url='http://tools.ietf.org/html/rfc4854'>http://tools.ietf.org/html/rfc4854</link>&gt;.</note>" >
 <!ENTITY rfc4880 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4880'>RFC 4880</link></span> <note>RFC 4880: OpenPGP Message Format &lt;<link url='http://tools.ietf.org/html/rfc4880'>http://tools.ietf.org/html/rfc4880</link>&gt;.</note>" >
+<!ENTITY rfc4949 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4949'>RFC 4949</link></span> <note>RFC 4949: Internet Security Glossary, Version 2 &lt;<link url='http://tools.ietf.org/html/rfc4949'>http://tools.ietf.org/html/rfc4949</link>&gt;.</note>" >
 <!ENTITY rfc5023 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5023'>RFC 5023</link></span> <note>RFC 5023: The Atom Publishing Protocol &lt;<link url='http://tools.ietf.org/html/rfc5023'>http://tools.ietf.org/html/rfc5023</link>&gt;.</note>" >
 <!ENTITY rfc5054 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5054'>RFC 5054</link></span> <note>RFC 5054: Using the Secure Remote Password (SRP) Protocol for TLS Authentication &lt;<link url='http://tools.ietf.org/html/rfc5054'>http://tools.ietf.org/html/rfc5054</link>&gt;.</note>" >
 <!ENTITY rfc5056 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5056'>RFC 5056</link></span> <note>RFC 5056: On the Use of Channel Bindings to Secure Channels &lt;<link url='http://tools.ietf.org/html/rfc5056'>http://tools.ietf.org/html/rfc5056</link>&gt;.</note>" >