Update README.md

Author: Mohsen Kamalzadeh

README.md

@@ -22,7 +22,7 @@ Get your local Perception workspace up and running quickly. Recommended for user
 Detailed instructions covering all the important steps from installing Unity Editor, to creating your first computer vision data generation project, building a randomized Scene, and generating large-scale synthetic datasets by leveraging the power of Unity Simulation.  No prior Unity experience required.
 
 **[Human Pose Estimation Tutorial](com.unity.perception/Documentation~/HPETutorial/TUTORIAL.md)**  
-Detailed instructions covering all the important steps from installing Unity Editor, to creating your first computer vision data generation project, building a randomized Scene, and generating large-scale synthetic datasets by leveraging the power of Unity Simulation.  No prior Unity experience required.
+Step by step instructions for using the Key Point and Human Pose Estimation tools included in the Perception Package. It is recommended that you finish Phase 1 of the Perception Tutorial above before starting this tutorial.
 
 ## Documentation
 In-depth documentation on individual components of the package.