diff --git a/server/31/Nextcloud_Server_Administration_Manual.pdf b/server/31/Nextcloud_Server_Administration_Manual.pdf
index 9e64874ed25..f875bfe3df3 100644
Binary files a/server/31/Nextcloud_Server_Administration_Manual.pdf and b/server/31/Nextcloud_Server_Administration_Manual.pdf differ
diff --git a/server/31/Nextcloud_User_Manual.pdf b/server/31/Nextcloud_User_Manual.pdf
index abcb05e9b33..200f0aafee8 100644
Binary files a/server/31/Nextcloud_User_Manual.pdf and b/server/31/Nextcloud_User_Manual.pdf differ
diff --git a/server/31/developer_manual/exapp_development/tech_details/Authentication.html b/server/31/developer_manual/exapp_development/tech_details/Authentication.html
index 8f01ea6f966..4ea0ae56fe6 100644
--- a/server/31/developer_manual/exapp_development/tech_details/Authentication.html
+++ b/server/31/developer_manual/exapp_development/tech_details/Authentication.html
@@ -28,7 +28,7 @@
       <script src="https://unpkg.com/d3/dist/d3.min.js"></script>
       <script>
                 window.addEventListener("load", function () {
-                  var svgs = d3.selectAll(".mermaid#id-dcb58232-e535-4465-8411-c759fb96e976 svg");
+                  var svgs = d3.selectAll(".mermaid#id-c72dad24-420b-4af1-9aee-f998cc8bc527 svg");
                   svgs.each(function() {
                     var svg = d3.select(this);
                     svg.html("<g>" + svg.html() + "</g>");
@@ -172,7 +172,7 @@ <h2>Authentication flow<a class="headerlink" href="#authentication-flow" title="
 </ol>
 <section id="authentication-flow-in-details">
 <h3>Authentication flow in details<a class="headerlink" href="#authentication-flow-in-details" title="Link to this heading"></a></h3>
-<div id="id-dcb58232-e535-4465-8411-c759fb96e976" class="mermaid">
+<div id="id-c72dad24-420b-4af1-9aee-f998cc8bc527" class="mermaid">
             sequenceDiagram
     autonumber
     participant ExApp
diff --git a/server/31/user_manual/ga/groupware/sync_ios.html b/server/31/user_manual/ga/groupware/sync_ios.html
index a89a1a88c7d..c80baf53171 100644
--- a/server/31/user_manual/ga/groupware/sync_ios.html
+++ b/server/31/user_manual/ga/groupware/sync_ios.html
@@ -161,7 +161,7 @@ <h2>Teagmhálaithe<a class="headerlink" href="#contacts" title="Link to this hea
 <p class="admonition-title">Note</p>
 <p>Ag tosú le iOS 12 tá criptiú SSL riachtanach. Dá bhrí sin ná <strong>ná</strong> díchumasaigh <strong>SSL</strong> (Ar an gcúis seo tá teastas ag teastáil ag d'fhearann, <a class="reference external" href="https://letsencrypt.org/">https://letsencrypt.org/</a> a dhéanfaidh).</p>
 </div>
-<p>Mura bhfuil sé ag obair go fóill, féach ar <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Fabhtcheartú Teagmhálacha &amp; Féilire</a> nó <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Fabhtcheartú na Seirbhíse Fionnachtana</a>.</p>
+<p>Mura bhfuil sé ag obair go fóill, féach ar <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Fabhtcheartú Teagmhálacha &amp; Féilire</a> nó <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Fabhtcheartú na Seirbhíse Fionnachtana</a>.</p>
 </section>
 </section>
 
diff --git a/server/31/user_manual/gl/groupware/sync_ios.html b/server/31/user_manual/gl/groupware/sync_ios.html
index 1e86ea15ceb..09fb9b598a2 100644
--- a/server/31/user_manual/gl/groupware/sync_ios.html
+++ b/server/31/user_manual/gl/groupware/sync_ios.html
@@ -162,7 +162,7 @@ <h2>Contactos<a class="headerlink" href="#contacts" title="Ligazón a este títu
 <p class="admonition-title">Nota</p>
 <p>A partir do iOS 12 é necesario un cifrado SSL. Polo tanto, <strong>non</strong> desactive <strong>SSL</strong> (Por este motivo é necesario que o seu dominio dispoña dun certificado, pode obtelo en: <a class="reference external" href="https://letsencrypt.org/">https://letsencrypt.org/</a>).</p>
 </div>
-<p>Se aínda non funciona, bótelle unha ollada a <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Solución de problemas de Contactos e Calendario</a> ou a <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Solución de problemas de descubrimento do servizo</a>.</p>
+<p>Se aínda non funciona, bótelle unha ollada a <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Solución de problemas de Contactos e Calendario</a> ou a <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Solución de problemas de descubrimento do servizo</a>.</p>
 </section>
 </section>
 
diff --git a/server/31/user_manual/pt_BR/groupware/sync_ios.html b/server/31/user_manual/pt_BR/groupware/sync_ios.html
index 9ee86839ab0..c5c390b2a19 100644
--- a/server/31/user_manual/pt_BR/groupware/sync_ios.html
+++ b/server/31/user_manual/pt_BR/groupware/sync_ios.html
@@ -162,7 +162,7 @@ <h2>Contatos<a class="headerlink" href="#contacts" title="Link para este cabeça
 <p class="admonition-title">Nota</p>
 <p>A partir do iOS 12, é necessária uma criptografia SSL. Portanto, <strong>não</strong> desative o <strong>SSL</strong> (por esse motivo, um certificado é necessário em seu domínio, <a class="reference external" href="https://letsencrypt.org/">https://letsencrypt.org/</a> o fará).</p>
 </div>
-<p>Se ainda não estiver funcionando, dê uma olhada em <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Solução de problemas de contatos &amp; Calendário</a> ou <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Resolução de problemas de descoberta de serviço</a>.</p>
+<p>Se ainda não estiver funcionando, dê uma olhada em <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Solução de problemas de contatos &amp; Calendário</a> ou <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Resolução de problemas de descoberta de serviço</a>.</p>
 </section>
 </section>
 
diff --git a/server/31/user_manual/sr/groupware/sync_ios.html b/server/31/user_manual/sr/groupware/sync_ios.html
index a24f92ea364..9e9d4b35c29 100644
--- a/server/31/user_manual/sr/groupware/sync_ios.html
+++ b/server/31/user_manual/sr/groupware/sync_ios.html
@@ -162,7 +162,7 @@ <h2>Contacts<a class="headerlink" href="#contacts" title="Link to this heading">
 <p class="admonition-title">Белешка</p>
 <p>Почевши са iOS 12 неопходно је SSL шифровање. Стога <strong>немојте</strong> да искључите <strong>SSL</strong> (Из овог разлога је потребно да ваш домен има сертификат, <a class="reference external" href="https://letsencrypt.org/">https://letsencrypt.org/</a> ће бити довољно).</p>
 </div>
-<p>Ако још увек не функционише, Погледајте <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Решавање проблема са  Contacts &amp; Calendar</a> или <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Решавање проблема са откривањем сервиса</a>.</p>
+<p>Ако још увек не функционише, Погледајте <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#service-discovery">Решавање проблема са  Contacts &amp; Calendar</a> или <a class="reference external" href="https://docs.nextcloud.com/server/31/admin_manual/issues/general_troubleshooting.html#troubleshooting-contacts-calendar">Решавање проблема са откривањем сервиса</a>.</p>
 </section>
 </section>