README.md in speed_lightning-0.1.1 vs README.md in speed_lightning-0.2.0

@@ -20,11 +20,11 @@
 
     $ gem install speed_lightning
 
 ## Usage
 
-Find full documentation of this gem and more examples under documentation.rb
+Find full documentation of this gem and more examples: [Detailed Documentation](DOCUMENTATION.md)
 
 Optionally, if you are testing this gem without installing in IRB
 ```
 irb
 require './lib/speed_lightning'
@@ -34,30 +34,30 @@
 
 `require 'speed_lightning'`
 
 Initialize the library with Speed test environment secret key
 
-`client = SpeedLightning::Client.new("your_speed_secret_key_here")`
+`client = SpeedLightning::Client.new(secret_key: "your_speed_secret_key_here")`
 
-create a new checkout link with required parameters: invoice amount, success return url
+create a new checkout link with required parameters in test mode: invoice amount, success return url
 
-`response = client.create_speed_checkout_link(777, "https://yourwebsite.com/thank_you")`
+`response = client.create_checkout_link(777, "https://your_website.com/thank_you")`
 
 get speed checkout url with QR code and LN invoice:
 
-`puts response["url"]`
+`puts response.url`
 
 get speed checkout ID:
 
-`puts response["id"]`
+`puts checkout_id = response.id`
 
 get invoice status
 
-`response = client.retrieve_speed_checkout_link(checkout_id)`
+`response = client.retrieve_checkout_link(checkout_id)`
 
 get payment status
 
-`puts response["status"]`
+`puts response.status`
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake test` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.
 
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