fix: update README.md for SEO (#48)

README.md

@@ -2,10 +2,7 @@
 
 [![Gem Version](https://badge.fury.io/rb/itax_code.svg)](https://badge.fury.io/rb/itax_code) [![Maintainability](https://api.codeclimate.com/v1/badges/6ce5347018f4b448098f/maintainability)](https://codeclimate.com/github/matteoredz/itax-code/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/6ce5347018f4b448098f/test_coverage)](https://codeclimate.com/github/matteoredz/itax-code/test_coverage)
 
-`ItaxCode` is a Ruby Gem to encode and decode Italian tax code (Codice Fiscale).
-
-It handles common operations on Italian tax code like, for instance, encoding, decoding and validation.
-It also handles [omocodia](https://it.wikipedia.org/wiki/Omocodia) complexity.
+A Ruby Gem to encode, decode, and validate the Italian Tax Code (Fiscal Code, Codice Fiscale), dealing with [Omocodia](https://it.wikipedia.org/wiki/Omocodia) too.
 
 ## Installation