README.md in holiday_jp-0.4.3 vs README.md in holiday_jp-0.5.0

@@ -2,11 +2,17 @@
 
 Get holidays in Japan.
 
 ## USAGE
 
-    >> holidays = HolidayJp.between(Date.new(2010, 9, 14), Date.new(2010, 9, 21))
-    >> holidays.first.name # 敬老の日
+```ruby
+holidays = HolidayJp.between(Date.new(2010, 9, 14), Date.new(2010, 9, 21))
+holidays.first.name # 敬老の日
+HolidayJp.holiday?(Date.new(2016, 8 ,11)) # true
+```
+
+## Supported Ruby Version
+Ruby 1.9.3+
 
 ## Note on Patches/Pull Requests
  
 * Fork the project.
 * Make your feature addition or bug fix.