README.md in amazon_auth-0.3.2 vs README.md in amazon_auth-0.3.3

@@ -110,11 +110,9 @@
 client = AmazonAuth::Client.new(driver: :firefox)
 ```
 
 ## Development
 
-Some features come from https://github.com/kyamaguchi/kindle
-
 Use _.env.development_ instead of _.env_ in development.
 
 ```
 git clone https://github.com/kyamaguchi/amazon_auth.git
 cd amazon_auth