README.md in lazy_mapper-0.3.2 vs README.md in lazy_mapper-0.4.0

@@ -4,19 +4,23 @@
 
 The mapped values are memoized.
 
 Example:
 
-    class Foo < LazyMapper
+    class Foo < LazyMapper::Model
       one :id, Integer, from: 'iden'
       one :created_at, Time
       one :amount, Money, map: Money.method(:parse)
       many :users, User, map: ->(u) { User.new(u) }
     end
 
 ## Documentation
 
-See [RubyDoc](https://www.rubydoc.info/gems/lazy_mapper/0.3.1)
+See [RubyDoc](https://www.rubydoc.info/gems/lazy_mapper/0.4.0)
 
 ## License
 
 See LICENSE file.
+
+## Changes
+
+See CHANGES.md