diff --git a/README.md b/README.md
index fbc9728..b7c2515 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ gem install ruby-holidayapi
 ```ruby
 require 'ruby-holidayapi'
 
-hapi = Holiday::V1.new('_YOUR_API_KEY_')
+hapi = HolidayAPI::V1.new('_YOUR_API_KEY_')
 
 parameters = {
   # Required