diff --git a/op/op.Ajax.php b/op/op.Ajax.php
index f6cff0cdb..03431a504 100644
--- a/op/op.Ajax.php
+++ b/op/op.Ajax.php
@@ -805,6 +805,7 @@ switch($command) {
 							$notifier->toGroup($user, $grp, $subject, $message, $params, SeedDMS_NotificationService::RECV_NOTIFICATION);
 						}
 
+						/* Get workflow from controller in case it was modified in a hook */
 						$workflow = $controller->getParam('workflow');
 						if($workflow && $settings->_enableNotificationWorkflow) {
 							$subject = "request_workflow_action_email_subject";