diff --git a/README.md b/README.md
index f9cd95d5..7d5b1569 100644
--- a/README.md
+++ b/README.md
@@ -212,7 +212,7 @@ Now it possible to serialise/deserialise ranges as well:
 ```ruby
  json = JSON.generate [1, 2, {"a"=>3.141}, false, true, nil, 4..10]
  # => "[1,2,{\"a\":3.141},false,true,null,{\"json_class\":\"Range\",\"data\":[4,10,false]}]"
- JSON.parse json
+ JSON.parse json, :create_additions => true
  # => [1, 2, {"a"=>3.141}, false, true, nil, 4..10]
 ```