docs/CREDIT_CARD.md in lite-validators-1.1.0 vs docs/CREDIT_CARD.md in lite-validators-1.1.1

@@ -20,10 +20,10 @@
 #### Usage
 
 ```ruby
 class User < ActiveRecord::Base
 
-  validates :input_0, credit_card: true
-  validates :input_1, credit_card: { provider: :visa }
+  validates :input0, credit_card: true
+  validates :input1, credit_card: { provider: :visa }
 
 end
 ```