diff --git a/www/window/MaintenanceOptions.js b/www/window/MaintenanceOptions.js
index 2326621a..1ee92542 100644
--- a/www/window/MaintenanceOptions.js
+++ b/www/window/MaintenanceOptions.js
@@ -14,6 +14,8 @@ Ext.define('PBS.window.MaintenanceOptions', {
     xtype: 'pbsMaintenanceOptionEdit',
     mixins: ['Proxmox.Mixin.CBind'],
 
+    onlineHelp: 'maintenance-mode',
+
     subject: gettext('Maintenance mode'),
 
     width: 450,
diff --git a/www/window/NamespaceEdit.js b/www/window/NamespaceEdit.js
index b6ea3f64..a9a440bb 100644
--- a/www/window/NamespaceEdit.js
+++ b/www/window/NamespaceEdit.js
@@ -3,7 +3,7 @@ Ext.define('PBS.window.NamespaceEdit', {
     xtype: 'pbsNamespaceEdit', // for now rather "NamespaceAdd"
     mixins: ['Proxmox.Mixin.CBind'],
 
-    //onlineHelp: 'namespaces', // TODO
+    onlineHelp: 'storage-namespaces',
 
     isCreate: true,
     subject: gettext('Namespace'),