Improves documentation

Author: raphaelstolt

README.md

@@ -1,17 +1,19 @@
 # Lean package validator
 
+<p align="center">
 ![Test Status](https://github.com/raphaelstolt/lean-package-validator/workflows/test/badge.svg)
 [![Version](http://img.shields.io/packagist/v/stolt/lean-package-validator.svg?style=flat)](https://packagist.org/packages/stolt/lean-package-validator)
 ![PHP Version](https://img.shields.io/badge/php-8.1+-ff69b4.svg)
 [![composer.lock available](https://poser.pugx.org/stolt/lean-package-validator/composerlock)](https://packagist.org/packages/stolt/lean-package-validator)
 [![PDS Skeleton](https://img.shields.io/badge/pds-skeleton-blue.svg?style=flat)](https://github.com/php-pds/skeleton)
+</p>
 
 <p align="center">
     <img src="lpv-logo.png" 
          alt="Lean package validator logo">
 </p>
 
-The lean package validator is a utility tool that validates a project/micro-package
+The lean package validator or its abbreviation lpv is a utility tool that validates a project/micro-package
 for its `leanness`. A project/micro-package is considered `lean` when its common
 repository artifacts won't be included in release assets.