README.md in epayco-0.0.2 vs README.md in epayco-0.0.3

@@ -22,9 +22,11 @@
 Make sure to set `EPAYCO_PUBLIC_KEY` and `EPAYCO_PRIVATE_KEY` in your environement variables. You can get your API keys in your [configuration page](https://dashboard.epayco.co/clientes/configuracion).
 
 ```ruby
 EPayCo.public_key = ENV['EPAYCO_PUBLIC_KEY']
 EPayCo.private_key = ENV['EPAYCO_PRIVATE_KEY']
+EPayCo.test_mode = true # Indicates if the payments requests will be done in Test Mode (default: false)
+
 ```
 
 Multiple tokens or multithreaded usage:
 
 ```ruby