README.md in unidom-action-0.4 vs README.md in unidom-action-0.5

@@ -5,26 +5,38 @@
 [![Dependency Status](https://gemnasium.com/badges/github.com/topbitdu/unidom-action.svg)](https://gemnasium.com/github.com/topbitdu/unidom-action)
 
 Unidom (UNIfied Domain Object Model) is a series of domain model engines. The Action domain model engine includes the Reason, State Transition, Obsolescene, and the Acting models.
 Unidom (统一领域对象模型)是一系列的领域模型引擎。审计领域模型引擎包括原因、状态迁移、废弃和行为日志的模型。
 
+
+
 ## Recent Update
+
 Check out the [Road Map](ROADMAP.md) to find out what's the next.
 Check out the [Change Log](CHANGELOG.md) to find out what's new.
 
+
+
 ## Usage in Gemfile
+
 ```ruby
 gem 'unidom-action'
 ```
 
+
+
 ## Run the Database Migration
+
 ```shell
 rake db:migrate
 ```
 The migration versions start with 200005.
 
+
+
 ## Call the Model
+
 ```ruby
 reason = Unidom::Action::Reason.create! activity_code: 'SRRR', name: 'broken', description: 'The box was broken.'
 # SRRR = Shipment Receipt Rejection Reason
 
 user   = Unidom::Visitor::User.create!
@@ -42,13 +54,29 @@
 person.soft_destroy
 obsolescence = Unidom::Action::Obsolescence.create! obsolescer_visitor: user, obsolescer_party: person, reason: reason, obsolesced: person
 # The reason could be nil.
 ```
 
+
+
 ## Include the Concern
+
 ```ruby
+include Unidom::Action::Concerns::AsActed
+include Unidom::Action::Concerns::AsObsolesced
 include Unidom::Action::Concerns::AsStateSubject
 ```
 
+### As Acted concern
+
+The As Acted concern do the following tasks for the includer automatically:  
+1. Define the has_many :actings macro as: ``has_many :actings, class_name: 'Unidom::Action::Acting', as: :acted``  
+
+### As Obsolesced concern
+
+The As Obsolesced concern do the following tasks for the includer automatically:  
+1. Define the has_many :obsolescings macro as: ``has_many :obsolescings, class_name: 'Unidom::Action::Obsolescing', as: :obsolesced``  
+
 ### As State Subject concern
+
 The As State Subject concern do the following tasks for the includer automatically:  
 1. Define the has_many :state_transitions macro as: ``has_many :state_transitions, class_name: 'Unidom::Action::StateTransition', as: :subject``