diff --git a/php/templates/already-installed.twig b/php/templates/already-installed.twig
index e16e6792..055e3bf4 100644
--- a/php/templates/already-installed.twig
+++ b/php/templates/already-installed.twig
@@ -8,6 +8,9 @@
             <text x="10" y="50" fill="var(--color-nextcloud-logo)" class="fallback-text">Nextcloud Logo</text>
         </svg>
         <h2>Nextcloud All-In-One is already installed</h2>
+        <p>The password is only shown once on the very first visit of this page.</p>
+        <p>If you did not see a password on this page upon first installation, you should re-install the whole instance as the password might have been stolen.</p>
+        <p>See <a target="_blank" href="https://github.com/nextcloud/all-in-one#how-to-properly-reset-the-instance">this documentation</a> on the matter.</p>
         <a href="." class="button">Open Nextcloud AIO</a>
     </div>
 {% endblock %}