README.md in gdatastore_mapper-0.1.3 vs README.md in gdatastore_mapper-0.1.4

@@ -2,10 +2,11 @@
 
 GdatastoreMapper is a mapper framework for Google Cloud Datastore in Ruby / Ruby on Rails.
 Once you install GdatastoreMapper you can use Google Cloud Datastore like ActiveRecord.
 
 ## Table of Contents
+- [Demo](#demo)
 - [Requirements](#requirements)
 - [Installation](#installation)
 - [Configuration](#configuration)
 - [Model Setting](#model-setting)
 - [Persistence Methods](#persistence-methods)
@@ -13,28 +14,31 @@
 - [Timestamp](#timestamp)
 - [Associations](#associations)
   - [One to Many](#one-to-many)
 - [Development](#development)
 
-## Requirements
+## Demo
 
-GdatastoreMapper requires Rails version >= 4.2 (of course it's working for Rails 5)
+Here is [demo](https://gdatastore-mapper-sample.appspot.com/). The demo works with Google Cloud Datastore.
 
-google-cloud >= 0.27
+Source code is [here](https://github.com/shinyaK14/gdatastore_mapper/tree/master/rails_example).
 
+## Requirements
 
+GdatastoreMapper requires Rails version >= 5
+
+
 ## Installation
 
 Execute rails new with --skip-active-record
 ```
 $ rails new your_project --skip-active-record
 ```
 
 Add this line to your application's Gemfile:
 
 ```ruby
-gem 'google-cloud'
 gem 'gdatastore_mapper'
 ```
 
 And then execute:
 
@@ -115,32 +119,32 @@
 => #<Book:0x00 @created_at=2017-04-07 10:03:54 +0200, @title="Harry Potter",
     @id=12, @updated_at=2017-04-07 22:57:57 +0200>
 ```
 ```
 Book.find_by(title: 'Harry Potter')
-=> #<Book:0x00 @created_at ....
+=> #<Book:0x00 @title="Harry Potter" ....
 ```
 ```
 Book.order(title: :asc)
-=> [#<Book:0x00 @created_at .... ]
+=> [#<Book:0x00 @title="Harry Potter" .... ]
 ```
 
 ```
 Book.first
-=> #<Book:0x00 @created_at ....
+=> #<Book:0x00 @title="Harry Potter" ....
 ```
 ```
 Book.last
-=> #<Book:0x00 @created_at ....
+=> #<Book:0x00 @title="Harry Potter" ....
 ```
 ```
 Book.count
 => 100
 ```
 ```
 Book.all
-=> [#<Book:0x00 @created_at .... ]
+=> [#<Book:0x00 @title="Harry Potter" .... ]
 ```
 
 ## Timestamp
 
 All records have created_at and updated_at. They will be updated automatically.
@@ -171,27 +175,27 @@
 end
 ```
 
 books.create
 ```
-rolling = Author.create(name: 'J K Rolling')
+rowling = Author.create(name: 'J. K. Rowling')
 harry_poter = rolling.books.create(title: 'Harry Poter')
 harry_poter2 = rolling.books.create(title: 'Harry Poter 2')
 ```
 books
 ```
-rolling.books
-=> [#<Book:0x00 @created_at .... ]
+rowling.books
+=> [#<Book:0x00 @title="Harry Potter" .... ]
 ```
 
 books.count
 ```
-rolling.books.count
+rowling.books.count
 => 2
 ```
 ```
 harry_poter.author
-=> [#<Author:0x00 @created_at .... ]
+=> [#<Author:0x00 @name="J. K. Rowling" .... ]
 ```
 
 ## Development
 
 After checking out the repo, run `bin/setup` to install dependencies. Then, run `rake spec` to run the tests. You can also run `bin/console` for an interactive prompt that will allow you to experiment.