README.md in virtus-1.0.0.beta8 vs README.md in virtus-1.0.0.rc1

@@ -67,50 +67,40 @@
 ```
 
 ### Cherry-picking extensions
 
 ``` ruby
-# include just the attribute DSL
+# include attribute DSL + constructor + mass-assignment
 class User
-  include Virtus::Model::Core
+  include Virtus.model
 
   attribute :name, String
 end
 
-user = User.new
-user.name = 'Piotr'
+user = User.new(:name => 'Piotr')
+user.attributes = { :name => 'John' }
+user.attributes
+# => {:name => 'John'}
 
 # include attribute DSL + constructor
 class User
-  include Virtus::Model::Core
-  include Virtus::Model::Constructor
+  include Virtus.model(:mass_assignment => false)
 
   attribute :name, String
 end
 
 User.new(:name => 'Piotr')
 
-# include attribute DSL + constructor + mass-assignment
+# include just the attribute DSL
 class User
-  include Virtus::Model::Core
-  include Virtus::Model::Constructor
-  include Virtus::Model::MassAssignment
+  include Virtus.model(:constructor => false, :mass_assignment => false)
 
   attribute :name, String
 end
 
-user = User.new(:name => 'Piotr')
-user.attributes = { :name => 'John' }
-user.attributes
-# => {:name => 'John'}
-
-# starting from virtus 1.0.0 preferred way to do this is to use module builder
-MyModel = Virtus.model(:constructor => false, :mass_assignment => false)
-
-class User
-  include MyModel
-end
+user = User.new
+user.name = 'Piotr'
 ```
 
 ### Using Virtus with Modules
 
 You can create modules extended with Virtus and define attributes for later
@@ -523,10 +513,10 @@
 ```
 
 ## Attribute Finalization and Circular Dependencies
 
 If a type references another type which happens to not be available yet you need
-to use lazy-finalization of attributes and finalize virtus manually after all 
+to use lazy-finalization of attributes and finalize virtus manually after all
 types have been already loaded:
 
 ``` ruby
 # in blog.rb
 class Blog