diff --git a/admin/index.php b/admin/index.php
index d28d569..c6493c6 100644
--- a/admin/index.php
+++ b/admin/index.php
@@ -661,6 +661,7 @@ $currentUser = $auth->getCurrentUser();
                 <li><a href="users.php"><i class="fas fa-users"></i> Benutzer verwalten</a></li>
                 <li><a href="vouchers.php"><i class="fas fa-ticket-alt"></i> Live Vouchers</a></li>
                 <li><a href="settings.php"><i class="fas fa-cog"></i> Einstellungen</a></li>
+                <li><a href="update.php"><i class="fas fa-sync-alt"></i> System-Update</a></li>
             </ul>
         </nav>
     </div>
diff --git a/admin/settings.php b/admin/settings.php
index 296d30e..f03725e 100644
--- a/admin/settings.php
+++ b/admin/settings.php
@@ -1,6 +1,6 @@
 <?php
 error_reporting(E_ALL);
-ini_set('display_errors', 0);
+ini_set('display_errors', 0);
 ini_set('log_errors', 1);
 
 require_once __DIR__ . '/../config.php';
@@ -290,6 +290,7 @@ $faviconUrl = $db->getSetting('favicon_url', '');
                 <li><a href="users.php"><i class="fas fa-users"></i> Benutzer verwalten</a></li>
                 <li><a href="vouchers.php"><i class="fas fa-ticket-alt"></i> Voucher-Historie</a></li>
                 <li><a href="settings.php" class="active"><i class="fas fa-cog"></i> Einstellungen</a></li>
+                <li><a href="update.php"><i class="fas fa-sync-alt"></i> System-Update</a></li>
             </ul>
         </nav>
     </div>
diff --git a/admin/sites.php b/admin/sites.php
index 770f7b2..a041d41 100644
--- a/admin/sites.php
+++ b/admin/sites.php
@@ -419,6 +419,7 @@ $currentUser = $auth->getCurrentUser();
                 <li><a href="users.php"><i class="fas fa-users"></i> Benutzer verwalten</a></li>
                 <li><a href="vouchers.php"><i class="fas fa-ticket-alt"></i> Voucher-Historie</a></li>
                 <li><a href="settings.php"><i class="fas fa-cog"></i> Einstellungen</a></li>
+                <li><a href="update.php"><i class="fas fa-sync-alt"></i> System-Update</a></li>
             </ul>
         </nav>
     </div>
diff --git a/admin/users.php b/admin/users.php
index afb23db..7532305 100644
--- a/admin/users.php
+++ b/admin/users.php
@@ -1,6 +1,6 @@
 <?php
 error_reporting(E_ALL);
-ini_set('display_errors', 0);
+ini_set('display_errors', 0);
 ini_set('log_errors', 1);
 
 require_once __DIR__ . '/../config.php';
@@ -480,6 +480,7 @@ $currentUser = $auth->getCurrentUser();
                 <li><a href="users.php" class="active"><i class="fas fa-users"></i> Benutzer verwalten</a></li>
                 <li><a href="vouchers.php"><i class="fas fa-ticket-alt"></i> Voucher-Historie</a></li>
                 <li><a href="settings.php"><i class="fas fa-cog"></i> Einstellungen</a></li>
+                <li><a href="update.php"><i class="fas fa-sync-alt"></i> System-Update</a></li>
             </ul>
         </nav>
     </div>
diff --git a/admin/vouchers.php b/admin/vouchers.php
index 0845420..a13551b 100644
--- a/admin/vouchers.php
+++ b/admin/vouchers.php
@@ -633,6 +633,7 @@ $faviconUrl = $db->getSetting('favicon_url', '');
                 <li><a href="users.php"><i class="fas fa-users"></i> Benutzer verwalten</a></li>
                 <li><a href="vouchers.php" class="active"><i class="fas fa-ticket-alt"></i> Live Vouchers</a></li>
                 <li><a href="settings.php"><i class="fas fa-cog"></i> Einstellungen</a></li>
+                <li><a href="update.php"><i class="fas fa-sync-alt"></i> System-Update</a></li>
             </ul>
         </nav>
     </div>