--- a/doc/components.rst	Sat Sep 28 15:59:48 2024 +0200
+++ b/doc/components.rst	Sat Sep 28 16:00:16 2024 +0200
@@ -947,12 +947,17 @@
 gateway JID.
 
 Multicast addressing (i.e. the ``To``, ``CC`` and ``BCC`` email headers or their
-`XEP-0033`_ XMPP equivalent) are supported and will be converted from and to XMPP. Other
+`XEP-0033 (Extended Stanza Addressing)`_ XMPP equivalent) are supported and will be converted from and to XMPP. Other
 metadata like ``Reply-To`` are also supported. You can use
 :ref:`libervia-cli_message_send` to specify those metadata when sending a message.
 
+Some headers are converted between XMPP and email, such as the ``Keywords`` or the
+``Importance`` ones. On XMPP side, `XEP-0131 (Stanza Headers and Internet Metadata)`_ is
+used.
 
-.. _XEP-0033: https://xmpp.org/extensions/xep-0033.html
+
+.. _XEP-0033 (Extended Stanza Addressing): https://xmpp.org/extensions/xep-0033.html
 .. _XEP-0100 (Gateway Interaction): https://xmpp.org/extensions/xep-0100.html
 .. _XEP-0106 (JID Escaping): https://xmpp.org/extensions/xep-0106.html
+.. _XEP-0131 (Stanza Headers and Internet Metadata): https://xmpp.org/extensions/xep-0131.html