Adjust xmldoc to explicitly metnion it only affects end user control

osu.Game/Overlays/MusicController.cs

@@ -41,7 +41,7 @@ public partial class MusicController : CompositeDrawable
         public bool UserPauseRequested { get; private set; }
 
         /// <summary>
-        /// Whether control of the global track should be allowed.
+        /// Whether user control of the global track should be allowed.
         /// </summary>
         public readonly BindableBool AllowTrackControl = new BindableBool(true);