diff --git a/www/manager6/dc/ClusterEdit.js b/www/manager6/dc/ClusterEdit.js
index 0c03b240..a8c021d2 100644
--- a/www/manager6/dc/ClusterEdit.js
+++ b/www/manager6/dc/ClusterEdit.js
@@ -138,7 +138,7 @@ Ext.define('PVE.ClusterJoinNodeWindow', {
     submitText: gettext('Join'),
     showTaskViewer: true,
 
-    onlineHelp: 'chapter_pvecm',
+    onlineHelp: 'pvecm_join_node_to_cluster',
 
     viewModel: {
 	parent: null,