diff --git a/xep.ent b/xep.ent
index 47495895..20e9ba03 100644
--- a/xep.ent
+++ b/xep.ent
@@ -602,6 +602,7 @@ THE SOFTWARE.
 <!ENTITY rfc5646 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5646'>RFC 5646</link></span> <note>RFC 5646: Tags for Identifying Languages &lt;<link url='http://tools.ietf.org/html/rfc5646'>http://tools.ietf.org/html/rfc5646</link>&gt;.</note>" >
 <!ENTITY rfc5802 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5802'>RFC 5802</link></span> <note>RFC 5802: Salted Challenge Response Authentication Mechanism (SCRAM) SASL and GSS-API Mechanisms &lt;<link url='http://tools.ietf.org/html/rfc5802'>http://tools.ietf.org/html/rfc5802</link>&gt;.</note>" >
 <!ENTITY rfc5952 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5952'>RFC 5952</link></span> <note>RFC 5952: A Recommendation for IPv6 Address Text Representation &lt;<link url='http://tools.ietf.org/html/rfc5952'>http://tools.ietf.org/html/rfc5952</link>&gt;.</note>" >
+<!ENTITY rfc6045 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6045'>RFC 6045</link></span> <note>RFC 6045: Real-time Inter-network Defense (RID) &lt;<link url='http://tools.ietf.org/html/rfc6045'>http://tools.ietf.org/html/rfc6045</link>&gt;.</note>" >
 <!ENTITY rfc6051 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6051'>RFC 6051</link></span> <note>RFC 6051: Rapid Synchronisation of RTP Flows &lt;<link url='http://tools.ietf.org/html/rfc6051'>http://tools.ietf.org/html/rfc6051</link>&gt;.</note>" >
 <!ENTITY rfc6120 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6120'>RFC 6120</link></span> <note>RFC 6120: Extensible Messaging and Presence Protocol (XMPP): Core &lt;<link url='http://tools.ietf.org/html/rfc6120'>http://tools.ietf.org/html/rfc6120</link>&gt;.</note>" >
 <!ENTITY rfc6121 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6121'>RFC 6121</link></span> <note>RFC 6121: Extensible Messaging and Presence Protocol (XMPP): Instant Messaging and Presence &lt;<link url='http://tools.ietf.org/html/rfc6121'>http://tools.ietf.org/html/rfc6121</link>&gt;.</note>" >