Doc installation error

[frandzdy]

README.md

Via Composer

Install composer in your project: curl -s http://getcomposer.org/installer | php
Create a composer.json file (or update it) in your project root:

  {
    "require": {
      "wisembly/elephant.io": "~3.0"
    }
  }

Install via composer : php composer.phar install

install read the lock file note the .json
to replace with :
php composer.phar update "wisembly/elephant.io"