diff --git a/public/modules/forms/admin/directives/edit-submissions-form.client.directive.js b/public/modules/forms/admin/directives/edit-submissions-form.client.directive.js
index 402f2dd7..6ec81381 100644
--- a/public/modules/forms/admin/directives/edit-submissions-form.client.directive.js
+++ b/public/modules/forms/admin/directives/edit-submissions-form.client.directive.js
@@ -74,6 +74,8 @@ angular.module('forms').directive('editSubmissionsFormDirective', ['$rootScope',
                     if(deviceStatData && deviceStatData.length){
                         for(var i=0; i<deviceStatData.length; i++){
                             var currDevice = deviceStatData[i];
+
+                            //_id here is deviceType of field due to aggregation in getVisitorData
                             if(stats[currDevice._id]){
                                 stats[currDevice._id] = currDevice;
                             }