Update README.md

Author: biscolab

README.md

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 # Laravel ReCAPTCHA - v3
-Simple Google reCAPTCHA package for Laravel 5
+Simple and painless Google reCAPTCHA package for Laravel 5
 
 [![Build Status](https://travis-ci.org/biscolab/laravel-recaptcha.svg?branch=master)](https://travis-ci.org/biscolab/laravel-recaptcha) [![Scrutinizer Code Quality](https://scrutinizer-ci.com/g/biscolab/laravel-recaptcha/badges/quality-score.png?b=master)](https://scrutinizer-ci.com/g/biscolab/laravel-recaptcha/?branch=master) ![Packagist version](https://img.shields.io/packagist/v/biscolab/laravel-recaptcha.svg)
 
 ## System requirements
-PHP 7.1 or greater
+| Package version | PHP version | Laravel version |
+|-----------------|-------------|-----------------|
+| 3.x             | 7.1 or greater | 5.5 or greater |
 
 Are you still using PHP 5.x or 7.0? Please go to [V2](https://github.com/biscolab/laravel-recaptcha/tree/v2.0.4)
 
+## !!! Documentation !!!
+
+Since version 3.2.0 you can find online complete documentation at [https://laravel-recaptcha-docs.biscolab.com/](https://laravel-recaptcha-docs.biscolab.com/).
+For previous releases continue reading.
+
 ## Installation
 
 You can install the package via composer: