diff --git a/xep.ent b/xep.ent
index 5cd2be65..78587e3d 100644
--- a/xep.ent
+++ b/xep.ent
@@ -617,6 +617,7 @@ THE SOFTWARE.
 <!ENTITY rfc6331 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6331'>RFC 6331</link></span> <note>RFC 6331: Moving DIGEST-MD5 to Historic &lt;<link url='http://tools.ietf.org/html/rfc6331'>http://tools.ietf.org/html/rfc6331</link>&gt;.</note>" >
 <!ENTITY rfc6350 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6350'>RFC 6350</link></span> <note>RFC 6350: vCard Format Specification &lt;<link url='http://tools.ietf.org/html/rfc6350'>http://tools.ietf.org/html/rfc6350</link>&gt;.</note>" >
 <!ENTITY rfc6351 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6351'>RFC 6351</link></span> <note>RFC 6351: vCard XML Representation &lt;<link url='http://tools.ietf.org/html/rfc6351'>http://tools.ietf.org/html/rfc6351</link>&gt;.</note>" >
+<!ENTITY rfc6473 "<span class='ref'><link url='http://tools.ietf.org/html/rfc6473'>RFC 6473</link></span> <note>RFC 6473: vCard KIND:application &lt;<link url='http://tools.ietf.org/html/rfc6473'>http://tools.ietf.org/html/rfc6351</link>&gt;.</note>" >
 
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