diff --git a/xep.ent b/xep.ent
index 37b1cc61..e897e0fe 100644
--- a/xep.ent
+++ b/xep.ent
@@ -501,6 +501,7 @@ THE SOFTWARE.
 <!ENTITY rfc3959 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3959'>RFC 3959</link></span> <note>RFC 3959: The Early Session Disposition Type for the Session Initiation Protocol (SIP) &lt;<link url='http://tools.ietf.org/html/rfc3959'>http://tools.ietf.org/html/rfc3959</link>&gt;.</note>" >
 <!ENTITY rfc3960 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3960'>RFC 3960</link></span> <note>RFC 3960: Early Media and Ringing Tone Generation in the Session Initiation Protocol (SIP) &lt;<link url='http://tools.ietf.org/html/rfc3960'>http://tools.ietf.org/html/rfc3960</link>&gt;.</note>" >
 <!ENTITY rfc3966 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3966'>RFC 3966</link></span> <note>RFC 3966: The tel URI for Telephone Numbers &lt;<link url='http://tools.ietf.org/html/rfc3966'>http://tools.ietf.org/html/rfc3966</link>&gt;.</note>" >
+<!ENTITY rfc3984 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3984'>RFC 3984</link></span> <note>RFC 3984: RTP Payload Format for H.264 Video &lt;<link url='http://tools.ietf.org/html/rfc3984'>http://tools.ietf.org/html/rfc3984</link>&gt;.</note>" >
 <!ENTITY rfc3986 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3986'>RFC 3986</link></span> <note>RFC 3986: Uniform Resource Identifiers (URI): Generic Syntax &lt;<link url='http://tools.ietf.org/html/rfc3986'>http://tools.ietf.org/html/rfc3986</link>&gt;.</note>" >
 <!ENTITY rfc3987 "<span class='ref'><link url='http://tools.ietf.org/html/rfc3987'>RFC 3987</link></span> <note>RFC 3987: Internationalized Resource Identifiers (IRIs) &lt;<link url='http://tools.ietf.org/html/rfc3987'>http://tools.ietf.org/html/rfc3987</link>&gt;.</note>" >
 <!ENTITY rfc4032 "<span class='ref'><link url='http://tools.ietf.org/html/rfc4032'>RFC 4032</link></span> <note>RFC 4032: Update to the Session Initiation Protocol (SIP) Preconditions Framework &lt;<link url='http://tools.ietf.org/html/rfc4032'>http://tools.ietf.org/html/rfc4032</link>&gt;.</note>" >
@@ -549,6 +550,7 @@ THE SOFTWARE.
 <!ENTITY rfc5081 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5081'>RFC 5081</link></span> <note>RFC 5081: Using OpenPGP Keys for Transport Layer Security (TLS) Authentication &lt;<link url='http://tools.ietf.org/html/rfc5081'>http://tools.ietf.org/html/rfc5081</link>&gt;.</note>" >
 <!ENTITY rfc5122 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5122'>RFC 5122</link></span> <note>RFC 5122: Internationalized Resource Identifiers (IRIs) and Uniform Resource Identifiers (URIs) for the Extensible Messaging and Presence Protocol (XMPP) &lt;<link url='http://tools.ietf.org/html/rfc5122'>http://tools.ietf.org/html/rfc5122</link>&gt;.</note>" >
 <!ENTITY rfc5389 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5389'>RFC 5389</link></span> <note>RFC 5389: Session Traversal Utilities for NAT (STUN) &lt;<link url='http://tools.ietf.org/html/rfc5389'>http://tools.ietf.org/html/rfc5389</link>&gt;.</note>" >
+<!ENTITY rfc5391 "<span class='ref'><link url='http://tools.ietf.org/html/rfc5391'>RFC 5391</link></span> <note>RFC 5391: RTP Payload Format for ITU-T Recommendation G.711.1 &lt;<link url='http://tools.ietf.org/html/rfc5391'>http://tools.ietf.org/html/rfc5391</link>&gt;.</note>" >
 
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