Updating header name for project

Author: NeerajW

README.md

@@ -1,10 +1,10 @@
 <img src="External/ReadMeImages/MRTK_Logo_Rev.png">
 
-# What is Mixed Reality Toolkit (MRTK)?
+# What is MixedRealityToolkit-Unity?
 The Mixed Reality Toolkit is a collection of scripts and components intended to accelerate development of applications targeting Microsoft HoloLens and Windows Mixed Reality headsets.
 The project is aimed at reducing barriers to entry to create mixed reality applications and contribute back to the community as we all grow.
 
-MixedRealityToolkit-Unity uses code from the base MixedRealityToolkit repository and makes it easier to consume in [Unity](https://unity3d.com/).
+MixedRealityToolkit-Unity uses code from the base [MixedRealityToolkit](https://github.com/Microsoft/MixedRealityToolkit) and makes it easier to consume in [Unity](https://unity3d.com/).
 
 <img src="External/ReadMeImages/MixedRealityStack.png">