README.md in minfraud-ruby-0.1.0 vs README.md in minfraud-ruby-0.1.1

@@ -50,10 +50,10 @@
 
 # Raised if a transaction is invalid
 class TransactionError < ArgumentError; end
 
 # Raised if minFraud returns an error, or if there is an HTTP error
-class ResponseError < ArgumentError; end
+class ResponseError < StandardError; end
 ```
 
 ### Transaction fields
 
 #### Required