README.md in kanzen-0.1.0 vs README.md in kanzen-0.2.0

@@ -1,7 +1,12 @@
 # Kanzen - A Completeness Check Gem
 
+[![Maintainability](https://api.codeclimate.com/v1/badges/4acb9bf12efa620f46dd/maintainability)](https://codeclimate.com/github/caws/kanzen/maintainability)
+[![Build Status](https://travis-ci.org/caws/kanzen.svg?branch=master)](https://travis-ci.org/caws/kanzen)
+[![Test Coverage](https://api.codeclimate.com/v1/badges/4acb9bf12efa620f46dd/test_coverage)](https://codeclimate.com/github/caws/kanzen/test_coverage)
+[![Gem Version](https://badge.fury.io/rb/kanzen.svg)](https://badge.fury.io/rb/kanzen)
+
 ### What is this?
 
 This is a gem that gives you a sense of how complete a given model is. 
 
 It checks a given model attributes, its relationships and its relationships' attributes and so on and so 
@@ -29,30 +34,32 @@
   - check if a given model (and its associations) are completely filled
   - return percentage values for present/missing attributes
   - return number of present/missing attributes
   - return a list of present/missing attributes (as hashes)
 
+PS: This doesn't take the attributes :id, :created_at and :updated_at into consideration when calculating the completeness.
+
 ## Installation
 
 ### Instalation
 
 Add the following to your Gemfile
 
 ``` ruby
-gem 'kanzen'
+gem 'kanzen', '~> 0.2.0'
 ```
 Then run:
 
 ``` shell
 bundle install
 ```
 
-Prepend Kanzen to your model:
+Include Kanzen in your model:
 
 ``` ruby
 class Address < ApplicationRecord
-  prepend Kanzen
+  include Kanzen
   ...
 end
 ```
 
 ## Usage
@@ -98,10 +105,10 @@
 
 # prints true, as all attributes are present
 puts random_address.completed?
 
 # prints false, because street.to_s equals "" and is evaluated as invalid according 
-to the custom_proc passed
+# to the custom_proc passed
 puts random_address.completed?(proc: custom_proc) 
 ``` 
 
 ### TO DO