Update README

README.md

@@ -16,7 +16,7 @@ A PHP library for parsing, formatting, storing and validating international phon
    - [Quick Examples](#quick-examples)
      - [Geocoder](#geocoder)
      - [ShortNumberInfo](#shortnumberinfo)
-     - [Mapping Phone Numbers to carrier](#mapping-phone-numbers-to-carrier)
+     - [Mapping Phone Numbers to Carrier](#mapping-phone-numbers-to-carrier)
      - [Mapping Phone Numbers to TimeZones](#mapping-phone-numbers-to-timezones)
  - [FAQ](#faq)
    - [Problems with Invalid Numbers?](#problems-with-invalid-numbers)
@@ -40,6 +40,10 @@ You can also use any other [PSR-4](http://www.php-fig.org/psr/psr-4/) compliant
 
 If you do not use composer, ensure that you also load any dependencies that this project has, such as [giggsey/locale](https://github.com/giggsey/Locale).
 
+## giggsey/libphonenumber-for-php-lite
+
+If you only want to make sure of the core PhoneNumber Util functionality, you can use [giggsey/libphonenumber-for-php-lite](https://github.com/giggsey/libphonenumber-for-php-lite), which offers a much smaller package size.
+
 ## Documentation
 
  - [PhoneNumber Util](docs/PhoneNumberUtil.md)