Remove optional advisement relying on delegation of authority

protocol.html

@@ -530,7 +530,7 @@ <h3 property="schema:name">Storage</h3>
 
                   <p><span about="" id="client-link-storage" rel="spec:requirement" resource="#client-link-storage">Clients can determine a resource is of type storage by making an HTTP <code>HEAD</code> or <code>GET</code> request on the target URL, and checking for the <code>Link</code> header with <code>rel="type"</code> targeting <code>http://www.w3.org/ns/pim/space#Storage</code>.</span></p>
 
-                  <p><span about="" id="client-storage-disovery" rel="spec:requirement" resource="#client-storage-discovery">Clients can determine the storage of a resource by moving up the URI path hierarchy until the response includes a <code>Link</code> header with <code>rel="type"</code> targeting <code>http://www.w3.org/ns/pim/space#Storage</code>. Clients may check the root path of a URI for the storage claim at any time.</span></p>
+                  <p><span about="" id="client-storage-disovery" rel="spec:requirement" resource="#client-storage-discovery">Clients can determine the storage of a resource by moving up the URI path hierarchy until the response includes a <code>Link</code> header with <code>rel="type"</code> targeting <code>http://www.w3.org/ns/pim/space#Storage</code>.</span></p>
 
                   <p><span about="" id="client-rdf-storage" rel="spec:requirement" resource="#client-rdf-storage">Clients can discover a storage by making an HTTP <code>GET</code> request on the target URL to retrieve an RDF representation [<cite><a class="bibref" href="#bib-rdf11-concepts">RDF11-CONCEPTS</a></cite>], whose encoded RDF graph contains a relation of type <code>http://www.w3.org/ns/pim/space#storage</code>. The object of the relation is the storage (<code>pim:Storage</code>).</span></p>