README.rdoc in enumerate_it-0.5.0 vs README.rdoc in enumerate_it-0.6.0

@@ -38,11 +38,11 @@
 Enter EnumerateIt.
 
 == Creating enumerations
 
 Enumerations are created as models, but you can put then anywhere in your application. In Rails 
-applications, I put them inside models/. 
+applications, you can put them inside models/. 
 
    class RelationshipStatus < EnumerateIt::Base
      associate_values(
        :single   => [1, 'Single'],
        :married  => [2, 'Married'],
@@ -124,10 +124,21 @@
 
    p = Person.new :relationship_status => 6 # => there is no '6' value in the enumeration
    p.valid? # => false
    p.errors[:relationship_status] # => "is not included in the list"
 
+* If your class can manage validations and responds to :validates_presence_of, you can pass the :required options as true and this validation will be created for you (this option defaults to false):
+
+   class Person < ActiveRecord::Base
+     has_enumeration_for :relationship_status, :required => true
+   end
+
+   p = Person.new :relationship_status => nil
+   p.valid? # => false
+   p.errors[:relationship_status] # => "can't be blank"
+
+
 Remember that in Rails 3 you can add validations to any kind of class and not only to those derived from 
 ActiveRecord::Base.
 
 == I18n
 
@@ -167,9 +178,17 @@
 * Create an initializer with the following code:
 
   ActiveRecord::Base.send :include, EnumerateIt 
 
 * Add the 'enumerate_it' gem as a dependency in your environment.rb (Rails 2.3.x) or Gemfile (if you're using Bundler)
+
+An interesting approach to use it in Rails apps is to create an app/models/enumerations folder and add it to your autoload path in config/application.rb:
+
+  module YourApp
+    class Application < Rails::Application
+      config.autoload_paths << "#{Rails.root}/app/models/enumerations"
+    end
+  end
 
 == Ruby 1.9
 
 EnumerateIt is fully compatible with Ruby 1.9.1 (all tests pass)