Update Readme

Adding link to app package capabilities

Author: leestott

README.md

@@ -201,7 +201,7 @@ Fizzyo.FizzyoDevice.Instance().ButtonDown();
 
 ### Export game from Unity as a UWP app and make sure the following is added to the Package.appxmanifest file: 
 
-At present Unity doesnt allows you to specific VID & PID's so to you need to have to manuually add the following to Package.appxmanifest after exporting to ensure the game will support the Fizzyo Device. See https://docs.microsoft.com/en-gb/windows/uwp/packaging/packaging-uwp-apps
+At present Unity doesnt allows you to specific VID & PID's so to you need to have to manuually add the following to Package.appxmanifest after exporting to ensure the game will support the Fizzyo Device. See https://docs.microsoft.com/en-gb/windows/uwp/packaging/packaging-uwp-apps and https://docs.microsoft.com/en-us/windows/uwp/packaging/app-capability-declarations
 
 
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