diff --git a/php/templates/containers.twig b/php/templates/containers.twig
index 37113442..94a7d5aa 100644
--- a/php/templates/containers.twig
+++ b/php/templates/containers.twig
@@ -398,8 +398,10 @@
                 {% endif %}
                 {% if is_backup_container_running == false %}
                     <h2>Optional addons</h2>
-                    In this section you can find optional addons.<br>
-                    You can enable or disable them when your containers are stopped.<br><br>
+                    In this section you can enable or disable optional addons.<br><br>
+                    {% if isAnyRunning == true %}
+                        <b>Note:</b> You can enable or disable them when your containers are stopped.<br><br>
+                    {% endif %}
                     <form id="options-form" method="POST" action="/api/configuration" class="xhr">
                         <input type="hidden" name="{{csrf.keys.name}}" value="{{csrf.name}}">
                         <input type="hidden" name="{{csrf.keys.value}}" value="{{csrf.value}}">
@@ -410,9 +412,9 @@
                             <input type="checkbox" id="clamav" name="clamav"><label for="clamav">ClamAV (only supported on x64, needs ~1GB additional RAM)</label><br>
                         {% endif %}
                         {% if is_collabora_enabled == true %}
-                            <input type="checkbox" id="collabora" name="collabora" checked="checked"><label for="collabora">Collabora</label><br>
+                            <input type="checkbox" id="collabora" name="collabora" checked="checked"><label for="collabora">Collabora (Nextcloud Office)</label><br>
                         {% else %}
-                            <input type="checkbox" id="collabora" name="collabora"><label for="collabora">Collabora</label><br>
+                            <input type="checkbox" id="collabora" name="collabora"><label for="collabora">Collabora (Nextcloud Office)</label><br>
                         {% endif %}
                         {% if is_talk_enabled == true %}
                             <input type="checkbox" id="talk" name="talk" checked="checked"><label for="talk">Nextcloud Talk (needs ports 3478/TCP and 3478/UDP open in your firewall/router)</label><br><br>
@@ -426,6 +428,7 @@
                         {% endif %}
                         <input id="options-form-submit" class="button" type="submit" value="Save changes" />
                     </form>
+                    <b>System requirements:</b> When any optional addon is enabled, at least 2GB RAM, a dual-core CPU and 40GB system storage are required. When enabling ClamAV, at least 3GB RAM are required.<br><br>
                     {% if isAnyRunning == true or is_x64_platform == false %}
                         <script type="text/javascript" src="disable-clamav.js"></script>
                         <script type="text/javascript" src="disable-onlyoffice.js"></script>