diff --git a/xep.dtd b/xep.dtd
index e704b6e6..2d23932d 100644
--- a/xep.dtd
+++ b/xep.dtd
@@ -20,13 +20,14 @@
 <!ELEMENT url (#PCDATA)* >
 <!ELEMENT registry EMPTY>
 <!ELEMENT expires (#PCDATA)* >
-<!ELEMENT author ( firstname, surname, authornote?, org?, email?, jid? ) >
+<!ELEMENT author ( firstname, surname, authornote?, org?, email?, jid?, uri? ) >
 <!ELEMENT firstname (#PCDATA)* >
 <!ELEMENT surname (#PCDATA)* >
 <!ELEMENT authornote EMPTY>
 <!ELEMENT org (#PCDATA)* >
 <!ELEMENT email (#PCDATA)* >
 <!ELEMENT jid (#PCDATA)* >
+<!ELEMENT uri (#PCDATA)* >
 <!ELEMENT revision ( version, date, initials, remark ) >
 <!ELEMENT version (#PCDATA)* >
 <!ELEMENT date (#PCDATA)* >
diff --git a/xep.ent b/xep.ent
index 4d3a4c38..285aaa7d 100644
--- a/xep.ent
+++ b/xep.ent
@@ -536,8 +536,8 @@ IANA Service Location Protocol, Version 2 (SLPv2) Templates</link></span> <note>
   <author>
     <firstname>Peter</firstname>
     <surname>Saint-Andre</surname>
-    <email>stpeter@jabber.org</email>
     <jid>stpeter@jabber.org</jid>
+    <uri>https://stpeter.im/</uri>
   </author>
 " >
 <!ENTITY dizzyd "
diff --git a/xep.xsd b/xep.xsd
index e4a76ae6..0ead268a 100644
--- a/xep.xsd
+++ b/xep.xsd
@@ -123,8 +123,9 @@
         <xs:element name='surname' type='xs:string'/>
         <xs:element name='authornote' type='empty' minOccurs='0'/>
         <xs:element name='org' type='xs:string' minOccurs='0'/>
-        <xs:element name='email' type='xs:string'/>
+        <xs:element name='email' type='xs:string' minOccurs='0'/>
         <xs:element name='jid' type='xs:string' minOccurs='0'/>
+        <xs:element name='uri' type='xs:string' minOccurs='0'/>
       </xs:sequence>
     </xs:complexType>
   </xs:element>
diff --git a/xep.xsl b/xep.xsl
index 689c7865..d32b1047 100644
--- a/xep.xsl
+++ b/xep.xsl
@@ -306,6 +306,7 @@
       <xsl:variable name='org.count' select='count(org)'/>
       <xsl:variable name='email.count' select='count(email)'/>
       <xsl:variable name='jid.count' select='count(jid)'/>
+      <xsl:variable name='uri.count' select='count(uri)'/>
       <xsl:variable name='authornote.count' select='count(authornote)'/>
       <xsl:if test='$authornote.count &gt; 0'>
         See <a href='#authornote'>Author Note</a><br />
@@ -333,6 +334,17 @@
           </xsl:attribute>
           <xsl:value-of select='jid' />
         </a>
+        <br />
+      </xsl:if>
+      <xsl:if test='$uri.count &gt; 0'>
+        URI: 
+        <a>
+          <xsl:attribute name='href'>
+            <xsl:value-of select='uri' />
+          </xsl:attribute>
+          <xsl:value-of select='uri' />
+        </a>
+        <br />
       </xsl:if>
     </p>
   </xsl:template>