diff --git a/ED/protocol.html b/ED/protocol.html
index 3de3af13..c88fc06f 100644
--- a/ED/protocol.html
+++ b/ED/protocol.html
@@ -753,7 +753,8 @@ <h4 property="schema:name">Web Access Control</h4>
                   <section id="auxiliary-resources-description-resource" inlist="" rel="schema:hasPart" resource="#auxiliary-resources-description-resource">
                     <h4 property="schema:name">Description Resource</h4>
                     <div datatype="rdf:HTML" property="schema:description">
-                      <p>An auxiliary resource of type <em>Description Resource</em> provides a description of a subject resource ([<cite><a class="bibref" href="#bib-ldp">LDP</a></cite>]).</p>
+                      <p>An auxiliary resource of type <em>Description Resource</em> provides a description of a subject resource ([<cite><a class="bibref" href="#bib-ldp">LDP</a></cite>]).
+			<span about="" id="server-description-required" rel="spec:requirement" resource="#server-description-required"><span property="spec:statement"><span rel="spec:requirementSubject" resource="spec:Server">Servers</span> <span rel="spec:requirementLevel" resource="spec:MUST">MUST</span> support this auxiliary resource type.</span></span></p>
 
                       <p><span about="" id="server-description-resource-max" rel="spec:requirement" resource="#server-description-resource-max"><span property="spec:statement"><span rel="spec:requirementSubject" resource="spec:Server">Servers</span> <span rel="spec:requirementLevel" resource="spec:MUST-NOT">MUST NOT</span> directly associate more than one description resource to a subject resource.</span></span></p>