add gplv3 to coreshop

README.md

@@ -400,7 +400,7 @@ _Recipe management_
 ### E-commerce
 
 * [Attendize](https://www.attendize.com/) - Ticket selling and event management platform. ([Demo](https://www.attendize.com/documentation.php#demo), [Source Code](https://github.com/attendize/attendize)) `AAL` `PHP`
-* [CoreShop](https://www.coreshop.org) - CoreShop is a e-commerce plugin for Pimcore. ([Source Code](https://github.com/coreshop/CoreShop)) `GPL` `PHP`
+* [CoreShop](https://www.coreshop.org) - CoreShop is a e-commerce plugin for Pimcore. ([Source Code](https://github.com/coreshop/CoreShop)) `GPLv3` `PHP`
 * [Microweber](https://microweber.com/) - Drag and Drop CMS and online shop. ([Demo](http://demo.microweber.org/), [Source Code](https://github.com/microweber/microweber)) `Apache` `PHP`
 * [OpenCart](https://www.opencart.com) - Free open source shopping cart solution. ([Source Code](https://github.com/opencart/opencart)) `GPLv3` `PHP`
 * [Open Classifieds](http://open-classifieds.com/) - Free open-source, self-hosted CMS for classifieds sites. ([Source Code](https://github.com/open-classifieds/openclassifieds2))  `GPL` `PHP`