diff --git a/www/window/SyncJobEdit.js b/www/window/SyncJobEdit.js
index 64408962..e4e47fa4 100644
--- a/www/window/SyncJobEdit.js
+++ b/www/window/SyncJobEdit.js
@@ -65,6 +65,10 @@ Ext.define('PBS.window.SyncJobEdit', {
 		fieldLabel: gettext('Remove vanished'),
 		xtype: 'proxmoxcheckbox',
 		name: 'remove-vanished',
+		autoEl: {
+		    tag: 'div',
+		    'data-qtip': gettext('Remove snapshots from local datastore if they vanished from source datastore?'),
+		},
 		uncheckedValue: false,
 		value: false,
 	    },