README.md in kaesen-0.1.0 vs README.md in kaesen-0.1.1

- old
+ new

@@ -16,10 +16,13 @@
 
 ## Usage
 
 ```
 require 'kaesen'
-b =  Kaesen::Bitflyer.new()
+b =  Kaesen::Bitflyer.new do |config|
+  config.api_key = "XXX"
+  config.api_secret = "YYY"
+end
 b.ticker
 ```
 
 ### Currently supported exchange markets to trade:
 