--- a/spec/index-respec.html	Mon Nov 21 15:01:06 2011 +0100
+++ b/spec/index-respec.html	Mon Nov 21 15:31:44 2011 +0100
@@ -466,6 +466,41 @@
 </dl>
 </section>
 
+<section class="normative">
+<h1>Namespaces</h1>
+<p>Examples assume the following namespace prefix bindings unless otherwise stated:</p>
+<table style="text-align: left; border-color: rgb(0, 0, 0); border-collapse: collapse;" border="1" cellpadding="5">
+ <tbody>
+  <tr>
+    <th>Prefix</th>
+    <th>IRI</th>
+  </tr>
+  <tr>
+    <td>cert</td>
+    <td>http://www.w3.org/ns/auth/cert#</td>
+  </tr>
+  <tr>
+    <td>rsa</td>
+    <td>http://www.w3.org/ns/auth/rsa#</td>
+  </tr>
+  <tr>
+    <td>xsd</td>
+    <td>http://www.w3.org/2001/XMLSchema#</td>
+  </tr>
+  <tr>
+    <td>foaf</td>
+    <td>http://xmlns.com/foaf/0.1/</td>
+  </tr>
+  <tr>
+    <td>ex</td>
+    <td>https://bob.example/profile#</td>
+  </tr>
+  </tbody>
+</table>
+
+<p>The ex: namespace is a URI that refers to Bob's profile, where Bob is an imaginary charcter well known in security circles.</p>
+</section>
+
 
 <section class='normative'>
 <h1>Creating the certificate</h1>
@@ -474,7 +509,7 @@
 <code>Subject Alternative Name</code> URI entry. This URI must be one that
 dereferences to a document the user controls so that he can publish the
 public key of the <tref>Identification Certificate</tref> at this URI.</p>
-<p>For example, if a user Joe controls <code>http://bob.example/profile</code>,
+<p>For example, if a user Bob controls <code>http://bob.example/profile</code>,
 then his WebID can be <code>http://bob.example/profile#me</code></p>
 
 <p class="issue">explain why the WebID URI is different from the URI of the