Update README.md

Author: mkroetzsch

README.md

@@ -1,14 +1,20 @@
 # Nemo Documentation
+[![Built with Starlight](https://astro.badg.es/v2/built-with-starlight/tiny.svg)](https://starlight.astro.build)
 
-The documentation of the [Nemo rule engine](https://github.com/knowsys/nemo) is in the process of being built in this repository.
+This repository contains the sources for the documentation of the [Nemo rule engine](https://github.com/knowsys/nemo).
+To read the documentation, please go to the official [Nemo documentation pages](https://knowsys.github.io/nemo-doc/).
+The content of the main branch of this repository is automatically deployed at this place.
 
-For now, you can find the documentation in the [Nemo wiki pages](https://github.com/knowsys/nemo/wiki).
+## Contributing
 
-[![Built with Starlight](https://astro.badg.es/v2/built-with-starlight/tiny.svg)](https://starlight.astro.build)
+Found a typo? Want to suggest an improvement? We appreciate your contributions in two ways:
+- [Report an issue](https://github.com/knowsys/nemo-doc/issues) in this repository
+- Implement a change in the sources and create a pull request
 
-## Commands
+## Building this Documentation
 
-All commands are run from the root of the project, from a terminal:
+Contributors who want to create the documentation on their own machine (e.g., for preview)
+can use the following commands. All commands are run from the root of the project, from a terminal:
 
 | Command                   | Action                                           |
 | :------------------------ | :----------------------------------------------- |