README.md in pagarme-2.1.2 vs README.md in pagarme-2.1.3

- old
+ new

@@ -25,14 +25,16 @@
 ### Configure your API key
 
 You can set your API key in Ruby:
 
 ```ruby
-PagarMe.api_key = 'YOUR_API_KEY_HERE'
+PagarMe.api_key        = 'YOUR_API_KEY_HERE'
+PagarMe.encryption_key = 'YOUR_ENCRYPTION_KEY_HERE' # If needed
 ```
 
 or set the environment variable _PAGARME\_API\_KEY_ (**recommended**)
+and _PAGARME\_ENCRYPTION\_KEY_ (**recommended if needed**)
 
 ### Using Pagar.me Checkout
 
 See our [demo checkout](https://pagar.me/checkout).
 
@@ -338,8 +340,11 @@
 Add support to [ElasticSearch Query DSL](https://docs.pagar.me/api/#buscas-avancadas),
 so you can search your data optimally.
 
 And document all the source code.
 
+## Support
+If you have any problem or suggestion please open an issue [here](https://github.com/pagarme/pagarme-ruby/issues).
+
 ## License
 
-Pagar.me Ruby library is released under the [MIT License](http://www.opensource.org/licenses/MIT).
+Check [here](LICENSE).