diff --git a/master.html b/master.html
index 51b6a206..8b3e4b26 100644
--- a/master.html
+++ b/master.html
@@ -880,6 +880,8 @@ server.</p>
 This can be used to provide the username from a reverse proxy.</p>
 <p><code>ldap</code> : Use a LDAP or AD server to authenticate
 users.</p>
+<p><code>dovecot</code> : Use a local Dovecot server to authenticate
+users.</p>
 <p>Default: <code>none</code></p>
 </section>
 <section class="level5" id="htpasswd_filename">
@@ -981,6 +983,13 @@ you can find a script to create group calneder folders <a href="https://github.c
 the server certificate</p>
 <p>Default:</p>
 </section>
+<section class="level5" id="dovecot_socket">
+<h5>dovecot_socket <a class="headerlink" href="#dovecot_socket">&para;</a></h5>
+<p>The path to the Dovecot client authentication socket (eg.
+/run/dovecot/auth-client on Fedora). Radicale must have read / write
+access to the socket.</p>
+<p>Default:</p>
+</section>
 <section class="level5" id="lc_username">
 <h5>lc_username <a class="headerlink" href="#lc_username">&para;</a></h5>
 <p>&Scy;onvert username to lowercase, must be true for case-insensitive auth