Fixed runaway quotation marks

Author: arty-name

guide/angular-data/synchronous.md

@@ -32,8 +32,8 @@ $scope.$watch(function () {
 To make things simpler, angular-data has some bind methods to help with this:
 
 ```js
-DS.bindOne($scope, 'myDoc', 'document', 45');
-Document.bindOne($scope, 'myDoc', 45');
+DS.bindOne($scope, 'myDoc', 'document', 45);
+Document.bindOne($scope, 'myDoc', 45);
 ```
 
 The above example shows how to bind an item in the data store to the $scope. Whenever that item changes it will be updated