README.md in koine-attributes-1.0.0 vs README.md in koine-attributes-1.1.0

@@ -143,9 +143,11 @@
 product.price = "100 USD"
 ```
 
 ```ruby
 class MyCustom::Money
+  attr_accessor :attribute_name
+
   def default_value
     return 'some default_value'
   end
 
   def coerce(*values)