refactor who uses it section in readme

README.md

@@ -79,7 +79,7 @@ It passes most of the CommonMark tests. Most of the tests that don't pass deal w
 
 **Who uses it?**
 
-[Laravel](https://github.com/laravel/framework), [Bolt CMS](http://bolt.cm/), [Grav CMS](http://getgrav.org/), [Herbie CMS](http://www.getherbie.org/), [Kirby CMS](http://getkirby.com/), [Laravel](https://laravel.com/), [October CMS](http://octobercms.com/), [phpDocumentor](http://www.phpdoc.org/), [Pico](http://picocms.org), [RaspberryPi.org](http://www.raspberrypi.org/), [Statamic CMS](http://www.statamic.com/), [Symfony demo](https://github.com/symfony/symfony-demo) and [more](https://packagist.org/packages/erusev/parsedown/dependents).
+[Laravel Framework](https://laravel.com/), [Bolt CMS](http://bolt.cm/), [Grav CMS](http://getgrav.org/), [Herbie CMS](http://www.getherbie.org/), [Kirby CMS](http://getkirby.com/), [October CMS](http://octobercms.com/), [Pico CMS](http://picocms.org), [phpDocumentor](http://www.phpdoc.org/), [RaspberryPi.org](http://www.raspberrypi.org/), [Statamic CMS](http://www.statamic.com/), [Symfony demo](https://github.com/symfony/symfony-demo) and [more](https://packagist.org/packages/erusev/parsedown/dependents).
 
 **How can I help?**