Update README.md

Author: freekmurze

README.md

@@ -109,13 +109,13 @@ Read the installation notes on the docs site: [https://docs.spatie.be/laravel-qu
 
 ## Documentation
 
-You can find the documentation on [https://docs.spatie.be/laravel-query-builder/v2](https://docs.spatie.be/laravel-query-builder/v2).
+You can find the documentation on [https://docs.spatie.be/laravel-query-builder/v3](https://docs.spatie.be/laravel-query-builder/v3).
 
 Find yourself stuck using the package? Found a bug? Do you have general questions or suggestions for improving the media library? Feel free to [create an issue on GitHub](https://github.com/spatie/laravel-query-builder/issues), we'll try to address it as soon as possible.
 
 If you've found a bug regarding security please mail [[email protected]](mailto:[email protected]) instead of using the issue tracker.
 
-### Upgrading from v1 to v2
+### Upgrading
 
 Please see [UPGRADING.md](UPGRADING.md) for details.