Some README refinements

Author: pmbittner

README.md

@@ -1,14 +1,21 @@
 # DiffDetective-Demo
 
-A small demonstration of [DiffDetective](https://github.com/VariantSync/DiffDetective). The demo is a Java Maven project, which includes DiffDetective as a library.
-You may run the demo manually, or by using Nix or Docker.
-The manual setup enables you to use DiffDetective in any of your own Maven projects.
-The Nix and Docker setups just build the demo for you to run it.
+A small demonstration of [DiffDetective](https://github.com/VariantSync/DiffDetective).
+The idea of this demo is to serve as an example for how to use DiffDetective, as well as a template project for you to clone and adapt as a quickstart for developing with DiffDetective.
 
-This demo comes with a screencast available on YouTube, guiding you through the demo's setup with Maven in IntelliJ and how to implement variability-aware differencing and analyses of Git histories:
+There is a screencast available on YouTube, guiding you through the demo's setup with Maven in IntelliJ and how to implement variability-aware differencing and analyses of Git histories:
 
 [![DiffDetective Demonstration](docs/yt_thumbnail.png)](https://www.youtube.com/watch?v=q6ight5EDQY)
 
 ## Setup
+
+The demo is a Java Maven project, which includes DiffDetective as a library.
+You may run the demo manually, or by using Nix or Docker.
+The manual setup enables you to use DiffDetective in any of your own Maven projects.
+The Nix and Docker setups just build the demo for you to run it.
+
 Software requirements are documented in the [REQUIREMENTS.md](REQUIREMENTS.md) file (there are no specific hardware requirements).
-The setup is documented in the [INSTALL.md](INSTALL.md) file.
+Basically, you will have to install Java and Maven, or alternatively Nix or Docker.
+
+Installation instructions are documented in the [INSTALL.md](INSTALL.md) file.
+