diff --git a/spec/index.html b/spec/index.html
index b8984fe..af04986 100644
--- a/spec/index.html
+++ b/spec/index.html
@@ -381,7 +381,7 @@ <h3>Terminology</h3>
       <h2>Accessing a Service Description</h2>
       <p>SPARQL services made available via the SPARQL Protocol <em class="rfc2119" title="Keyword in RFC 2119 context">SHOULD</em> return a service description document at the service endpoint when
       dereferenced using the HTTP GET operation without any query parameter strings provided. This service description <em class="rfc2119" title="Keyword in RFC 2119 context">MUST</em> be made
-      available in an RDF serialization, <em class="rfc2119" title="Keyword in RFC 2119 context">MAY</em> be embedded in (X)HTML by way of [[[RDFa-core]]], and <em class="rfc2119" title="Keyword in RFC 2119 context">SHOULD</em> use <a data-cite="rfc9110#section-12">content negotiation</a> if available in other RDF representations.</p>
+      available in an RDF serialization, <em class="rfc2119" title="Keyword in RFC 2119 context">MAY</em> be embedded in (X)HTML by way of [[[RDFa-core]]], and <em class="rfc2119" title="Keyword in RFC 2119 context">SHOULD</em> use <a data-cite="rfc9110#content.negotiation">content negotiation</a> if available in other RDF representations.</p>
     </section>
     <section id="vocab">
       <h2>Service Description Vocabulary</h2>