diff --git a/accountant/frontend/static/js/app.js b/accountant/frontend/static/js/app.js
index 632a59d..f4e69b2 100644
--- a/accountant/frontend/static/js/app.js
+++ b/accountant/frontend/static/js/app.js
@@ -16,23 +16,23 @@
  */
 var accountantApp = angular.module("accountantApp", [
     'ngResource', 'ngRoute',
-    "mgcrea.ngStrap",
-    "highcharts-ng",
-    "http-auth-interceptor",
+    'mgcrea.ngStrap',
+    'highcharts-ng',
+    'http-auth-interceptor',
     'ui-notification',
-    "Storage.Service",
-    "xeditable"
+    'Storage.Service',
+    'xeditable'
 ])
 
-.factory("sessionInjector", ["$storage", function($storage) {
+.factory('sessionInjector', ['$storage', function($storage) {
     var sessionInjector = {
         request : function(config) {
             var token = $storage.get('token');
 
             if(token) {
                 var token_type = $storage.get('token_type');
-                var authorization = token_type + " " + token;
                 config.headers["Authorization"] = authorization;
+                var authorization = token_type + ' ' + token;
             }
             return config;
         }
@@ -98,8 +98,8 @@ var accountantApp = angular.module("accountantApp", [
     editableOptions.theme = 'bs3'; // bootstrap3 theme. Can be also 'bs2', 'default'
 })
 
-.controller("MainController", [
-  "$scope", "$rootScope", "$http", "authService", "$storage",
+.controller('MainController', [
+  '$scope', '$rootScope', '$http', 'authService', '$storage',
   function($scope, $rootScope, $http, authService, $storage) {
     $scope.dialogShown = false;
 
@@ -114,36 +114,36 @@ var accountantApp = angular.module("accountantApp", [
       $storage.clear();
 
       bootbox.dialog({
-        title: "Authentification requise",
-        message: '<form class="form-horizontal">' +
-                 '  <div class="form-group">' +
-                 '    <label for="email" class="col-sm-4 control-label">Adresse email</label>' +
-                 '      <div class="col-sm-8">' +
-                 '        <input type="text" class="form-control" id="email" ng-model="email" placeholder="Nom d\'utilisateur">' +
+        title: 'Authentification requise',
+        message: '<form class=\'form-horizontal\'>' +
+                 '  <div class=\'form-group\'>' +
+                 '    <label for=\'email\' class=\'col-sm-4 control-label\'>Adresse email</label>' +
+                 '      <div class=\'col-sm-8\'>' +
+                 '        <input type=\'text\' class=\'form-control\' id=\'email\' ng-model=\'email\' placeholder=\'Nom d\\\'utilisateur\'>' +
                  '      </div>' +
                  '    </div>' +
-                 '    <div class="form-group">' +
-                 '      <label for="password" class="col-sm-4 control-label">Mot de passe</label>' +
-                 '      <div class="col-sm-8">' +
-                 '        <input type="password" class="form-control" id="password" ng-model="password" placeholder="Mot de passe">' +
+                 '    <div class=\'form-group\'>' +
+                 '      <label for=\'password\' class=\'col-sm-4 control-label\'>Mot de passe</label>' +
+                 '      <div class=\'col-sm-8\'>' +
+                 '        <input type=\'password\' class=\'form-control\' id=\'password\' ng-model=\'password\' placeholder=\'Mot de passe\'>' +
                  '      </div>' +
                  '    </div>' +
                  '  </div>' +
                  '</form>',
         buttons: {
           login: {
-            label: "Login",
-            className: "btn-primary",
+            label: 'Login',
+            className: 'btn-primary',
             callback: function(result) {
                 $scope.dialogShown = false;
 
                 var email = $('#email').val();
                 var password = $('#password').val();
                 $http.post(
-                    "/api/user/login",
+                    '/api/user/login',
                     {
-                        "email": email,
-                        "password": password
+                        'email': email,
+                        'password': password
                     }
                 ).success(function(result) {
                     // TODO Alexis Lahouze 2015-08-28 Handle callback.
@@ -157,10 +157,10 @@ var accountantApp = angular.module("accountantApp", [
             }
           },
           cancel: {
-            label: "Annuler",
-            className: "btn-default",
+            label: 'Annuler',
+            className: 'btn-default',
             callback: function(result) {
-              authService.loginCancelled(null, "Login cancelled by user action.");
+              authService.loginCancelled(null, 'Login cancelled by user action.');
               $scope.dialogShown = false;
             }
           }
@@ -168,7 +168,7 @@ var accountantApp = angular.module("accountantApp", [
       });
     };
 
-    $rootScope.$on("event:auth-loginRequired", $scope.showLoginForm);
+    $rootScope.$on('event:auth-loginRequired', $scope.showLoginForm);
 }])
 
 ;