doc: Update README.

Author: freezy

README.md

@@ -1,8 +1,10 @@
 # Visual Pinball Engine - PinMAME Gamelogic Engine
-*Enables PinMAME to drive VPE*
 
 [![UPM Package](https://img.shields.io/npm/v/org.visualpinball.engine.pinmame?label=org.visualpinball.engine.pinmame&registry_uri=https://registry.visualpinball.org&color=%2333cf57&logo=unity&style=flat)](https://registry.visualpinball.org/-/web/detail/org.visualpinball.engine.pinmame)
 
+*Enables PinMAME to drive VPE*
+
+
 ## Structure
 
 This project contains two root folders:
@@ -16,7 +18,7 @@ This project contains two root folders:
 ### Unity Package
 
 The goal of this repo is to use it within Unity. In order to do that, open the
-Package Manager in Unity, and add `org.visualpinball.engine.missionpinball` under
+Package Manager in Unity, and add `org.visualpinball.engine.pinmame` under
 *Add package from git URL*.
 
 The Unity package is build and published to our registry on every merge to master.