Update README.md

README.md

@@ -197,13 +197,13 @@ class PaypalPaymentController extends BaseController {
 }
 ```
 
-If you want to use the Laravel config file: The first step is to publish the config with `artisan vendor:publish`. This will create the config file in `storage/paypal_payment.php` (`app/config/paypal_payment.php` in Laravel 4). Configurate it, then replace the `setConfig()` method call (see above) with:
+If you want to use the Laravel config file: The first step is to publish the config with `artisan vendor:publish`. This will create the config file `storage/paypal_payment.php` (`app/config/paypal_payment.php` in Laravel 4). Configurate it, then replace the `setConfig()` method call (see above) with:
 
 ```
 $config = config('paypal_payment'); // Get all config items as multi dimensional array
 $flatConfig = array_dot($config); // Flatten the array with dots
 
-$apiContext->setConfig($flatConfig);
+$this->_apiContext->setConfig($flatConfig);
 ```
 
 ##2-Create Payment