README.md in veritrans-2.0.4 vs README.md in veritrans-2.1.0

@@ -28,10 +28,13 @@
 development:
   client_key: # your api client key
   server_key: # your api client key
 ```
 
+See out example sinatra application in [example](https://github.com/veritrans/veritrans-ruby/tree/master/example) folder or [online](https://veritrans-ruby-example.herokuapp.com/)
+
+
 ## STEP 1: Process credit cards
 
 
 #### VT-Web
 
@@ -250,15 +253,19 @@
 Veritrans.setup do
   config.server_key = "..."
   config.client_key = "..."
 
   events.subscribe('payment.success') do |payment|
-    Payment.find_by(order_id: payment.order_id).mark_paid!(payment.masked_card)
+    # payment variable is hash with params recieved from Veritrans
+    # assuming you have model Order in your project
+    Order.find_by(order_id: payment.order_id).mark_paid!(payment.masked_card)
   end
 
   events.subscribe('payment.failed', 'payment.challenge') do |payment|
-    Payment.find_by(order_id: payment.order_id) ...
+    # payment variable is hash with params recieved from Veritrans
+    # assuming you have model Order in your project
+    Order.find_by(order_id: payment.order_id) ...
   end
 end
 ```
 
 #### Logging
@@ -296,10 +303,10 @@
 
 
 
 #### Get help
 
-* [Veritrans gem reference](https://github.com/veritrans/veritrans-ruby/blob/new_api/api_reference.md)
-* [Veritrans sandbox login](https://my.sandbox.veritrans.co.id/login)
-* [Veritrans sandbox registration](https://my.sandbox.veritrans.co.id/register)
+* [Veritrans gem reference](https://github.com/veritrans/veritrans-ruby/blob/master/api_reference.md)
+* [Veritrans login](https://my.veritrans.co.id/login)
+* [Veritrans registration](https://my.veritrans.co.id/register)
 * [Veritrans documentation](http://docs.veritrans.co.id)
 * Technical support [[e-mail]](mailto:[e-mail])