readme: updated

Author: dg

readme.md

@@ -7,6 +7,10 @@ Nette Database
 [![Latest Stable Version](https://poser.pugx.org/nette/database/v/stable)](https://github.com/nette/database/releases)
 [![License](https://img.shields.io/badge/license-New%20BSD-blue.svg)](https://github.com/nette/database/blob/master/license.md)
 
+
+Introduction
+------------
+
 Nette provides a powerful layer for accessing your database easily.
 
 - composes SQL queries with ease
@@ -17,20 +21,21 @@ The [Nette Database Core](https://doc.nette.org/database-core) is a wrapper arou
 
 The [Nette Database Explorer](https://doc.nette.org/database-explorer) layer helps you to fetch database data more easily and in a more optimized way.
 
+
 Installation
 ------------
 
-Install it using Composer:
+The recommended way to install is via Composer:
 
 ```
 composer require nette/database
 ```
 
-The last stable release requires PHP version 5.6 or newer (is compatible with PHP 7.0 and 7.1). The dev-master version requires PHP 7.1.
+It requires PHP version 5.6 and supports PHP up to 7.2. The dev-master version requires PHP 7.1.
 
 
-Documentation
--------------
+Usage
+-----
 
 This is just a piece of documentation. [Please see our website](https://doc.nette.org/database).