- update readme

Author: Erwan Carriou

README.md

@@ -8,19 +8,19 @@
 
 ## What is SyrupJS ?
 
-[SyrupJS](https://syrupjs.github.io) (System Runtime Platform) is a JavaScript library to run and manage **JavaScript Application Systems** created with [System Designer](http://designfirst.io).
-
-SyrupJS is part of the [System SDK project](https://github.com/system-sdk).
-System SDK is a SDK for building JavaScript Application Systems.
-
-## What does SyrupJS do ?
+#### a JSON Virtual Machine (JVM)
 
-#### JSON Virtual Machine (JVM)
+[SyrupJS](https://syrupjs.github.io) (System Runtime Platform) is a JavaScript library to run and manage **JavaScript Application Systems** created with [System Designer](http://designfirst.io).
 
 [JSON](http://json.org) is traditionnaly used to represent data. We use this format to store your model, components and the behaviors of your app.
 
 SyrupJS will load your JSON and run your app as a JVM (JSON Virtual Machine).
 
+#### part of System SDK
+
+SyrupJS is part of the [System SDK project](https://github.com/system-sdk).
+System SDK is a SDK for building JavaScript Application Systems.
+
 ## What contains SyrupJS ?
 
 #### A metamodel