diff --git a/inbox/pubsub-signing-openpgp.xml b/inbox/pubsub-signing-openpgp.xml
index 1b7375792..5fa99d90c 100644
--- a/inbox/pubsub-signing-openpgp.xml
+++ b/inbox/pubsub-signing-openpgp.xml
@@ -42,7 +42,7 @@
 </section1>
 <section1 topic='Signing a Pubsub Item With OpenPGP' anchor='signing'>
   <p>Signing an item with OpenPGP requires to have &xep0373; implemented to handle keys, however this specification uses its own &lt;sign/&gt; element because it uses wrapper element from Pubsub Signing XEP, and signed data MUST NOT be included with the signature.</p>
-  <p>To sign an element, a client process as explained in XEP-0XXX <link url='https://xmpp.org/extensions/inbox/pubsub-signing.html#signing'>§ Signing a Pubsub Item</link> where the "signing profile" element used is a &lt;sign/&gt; element qualified by the 'urn:xmpp:pubsub-signing:openpgp:0' namespace. This element MUST contain a Base64 encoded (&rfc4648; <link url='https://tools.ietf.org/html/rfc4648#section-4'>§ 4</link>) OpenPGP message as specified in &rfc4880; which MUST contain a <strong>detached signature</strong> as defined in &rfc4880; <link url='https://www.rfc-editor.org/rfc/rfc4880#section-11.4'>§ 11.4</link> of the signed data as specified in XEP-0XXX <link url='https://xmpp.org/extensions/inbox/pubsub-signing.html#signing'>§ Signing a Pubsub Item</link>.</p>
+  <p>To sign an element, a client follows the process as explained in XEP-0XXX <link url='https://xmpp.org/extensions/inbox/pubsub-signing.html#signing'>§ Signing a Pubsub Item</link> where the "signing profile" element used is a &lt;sign/&gt; element qualified by the 'urn:xmpp:pubsub-signing:openpgp:0' namespace. This element MUST contain a Base64 encoded (&rfc4648; <link url='https://tools.ietf.org/html/rfc4648#section-4'>§ 4</link>) OpenPGP message as specified in &rfc4880; which MUST contain a <strong>detached signature</strong> as defined in &rfc4880; <link url='https://www.rfc-editor.org/rfc/rfc4880#section-11.4'>§ 11.4</link> of the signed data as specified in XEP-0XXX <link url='https://xmpp.org/extensions/inbox/pubsub-signing.html#signing'>§ Signing a Pubsub Item</link>.</p>
 
   <example caption="Juliet Publishes Her Signature as an Attachment With OpenPGP Signing Profile"><![CDATA[
 <iq xmlns="jabber:client" from="juliet@capulet.lit/chamber" to="juliet@capulet.lit" id="signature_1" type="set">