Issue with Building 2D Games Chapter 11

[FoolishMoonLogic]

MonoGame's tutorial Building 2D Games chapter 11: Input Management Updating the Game1 Class:

While having the user update to add the System & MonoGameLibrary.Input files it doesn't change anything else in the Game1.cs

Below are pictures taken on my phone that show that nothing is actually updated in Game1.cs from Chapter 10: Handling Input.