Update the ReadMe

Readme.md

@@ -3,6 +3,10 @@ This project contains multiple scenes that are designed to provide both examples
 
 A majority of the scenes rely on Unity Gizmos for presentation of Colliders, Joints, Contacts (etc) rather than renderers so please ensure that the "Gizmos" buttons are selected in both the "Scene" and "Game" views otherwise you may find you cannot see the content.
 
+## Game View
+
+All the examples were designed with the Game window set to 16:9 Aspect. It is recommended that you change the Game window to this so that the Camera correctly displays the examples.
+
 ## Branch Names
 
 Each branch represents a specific version of Unity. As features are added in a public release, those features should be represented in that branch and future Unity version branches i.e. branch names of "2019", "2020", "2021" (etc) exist.