diff --git a/public/js/app.js b/public/js/app.js
index 55756be..41ff93b 100644
--- a/public/js/app.js
+++ b/public/js/app.js
@@ -5,6 +5,7 @@ var gpower;
 angular.module('roomstateapp.controllers', []).
     controller('StatusCtrl', function ($scope, $http, Socket) {
 
+        // on page load request current data via simple API.
         $http({
             method: 'GET',
             url: '/api/simple/v2'
@@ -18,8 +19,9 @@ angular.module('roomstateapp.controllers', []).
                 console.log("error getting data");
             });
 
+        // while page is loaded, new data will arrive via Websocket.
         Socket.on('sdata', function(message) {
-            console.log("received data from server: " + message.data.names);
+            console.log("received data from server: " + JSON.stringify(message.data));
             $scope.simple = message.data;
             gpower.refresh(message.data.power);
         });
@@ -61,7 +63,7 @@ angular.module('roomstateapp.services', []).
 
 angular.module('roomstateapp.statusfilter', []).filter('statustostring', function() {
     return function(input) {
-        return input == true ? 'geöffnet' : input == false ? 'geschlossen' : 'unbekannt';
+        return input === true ? 'geöffnet' : input === false ? 'geschlossen' : 'unbekannt';
     };
 });