Adjust readme text

Signed-off-by: Jan-Christoph Borchardt <hey@jancborchardt.net>

README.md

@@ -1,20 +1,22 @@
 # Nextcloud Social
 
-🎉 Nextcloud becomes part of the federated social networks!
+**🎉 Nextcloud becomes part of the federated social networks!**
+
+The app is in alpha stage, so it’s time for you to get involved! 👩‍💻
 
 Mockup:
 ![](img/screenshot.png)
 
-- **🙋 Find your friends:** No matter if they use Nextcloud, [🐘 Mastodon](https://joinmastodon.org), [🇫 Friendica](https://friendi.ca), and soon [✱ diaspora*](https://joindiaspora.com), [👹 MediaGoblin](https://www.mediagoblin.org) and more – you can follow them!
+- **🙋 Find your friends:** No matter if they use Nextcloud, [🐘 Mastodon](https://joinmastodon.org), [🇫 Friendica](https://friendi.ca), and soon [✱ Diaspora](https://joindiaspora.com), [👹 MediaGoblin](https://www.mediagoblin.org) and more – you can follow them!
 - **📜 Profile info:** No need to fill out more profiles – your info from Nextcloud will be used and extended.
 - **👐 Own your posts:** Everything you post stays on your Nextcloud!
-- **🕸 Open standards:** We use the [ActivityPub](https://en.wikipedia.org/wiki/ActivityPub) standard!
+- **🕸 Open standards:** We use the established [ActivityPub](https://en.wikipedia.org/wiki/ActivityPub) standard!
 
 
 ## Development setup
 
-1. ☁ Clone this into the `apps` folder of your Nextcloud: `git clone https://github.com/nextcloud-gmbh/social.git`
+1. ☁ Clone the app into the `apps` folder of your Nextcloud: `git clone https://github.com/nextcloud-gmbh/social.git`
 2. 👩‍💻 Run `make dev-setup` to install the dependencies
-3. 🏗 Then to build the Javascript whenever you make changes, run `make build-js`
+3. 🏗 To build the Javascript whenever you make changes, run `make build-js`
 4. ✅ Enable the app through the app management of your Nextcloud
 5. 🎉 Partytime!