Update README.md (#88)

Remove address book sharing from readme

README.md

@@ -8,7 +8,7 @@ Davis
 
 A simple, fully translatable admin interface and frontend for `sabre/dav` based on [Symfony 5](https://symfony.com/) and [Bootstrap 4](https://getbootstrap.com/), initially inspired by [Baïkal](https://github.com/sabre-io/Baikal).
 
-Provides user edition, calendar creation and sharing, address book creation and sharing. The interface is simple and straightforward, responsive, and provides a light and a dark mode.
+Provides user edition, calendar creation and sharing, and address book creation. The interface is simple and straightforward, responsive, and provides a light and a dark mode.
 
 Easily containerisable (_`Dockerfile` and sample `docker-compose` configuration file provided_).
 
@@ -365,4 +365,4 @@ This project is release under the MIT licence. See the LICENCE file
 [sponsor_link]: https://paypal.me/tchap
 
 [release_badge]: https://img.shields.io/github/v/release/tchapi/davis
-[release_link]: https://github.com/tchapi/davis/releases
+[release_link]: https://github.com/tchapi/davis/releases