Update Readme.md

Author: glibnub

XDKSamples/System/Collision/Readme.md

@@ -16,5 +16,6 @@ description: "This sample demonstrates DirectXMath’s collision types for simpl
 
 For more information see this [Word document](https://github.com/microsoft/Xbox-ATG-Samples/blob/master/XDKSamples/System/Collision/Readme.docx).
 
-# Privacy Statement
+## Privacy Statement
+
 For more information about Microsoft’s privacy policies in general, see the [Microsoft Privacy Statement](https://privacy.microsoft.com/en-us/privacystatement/).