Done basic documentation. Further expansion may be needed. Maybe. But only maybe.

RecrownedAthenaeum/ScreenSystem/Screen.cs

@@ -32,6 +32,7 @@ namespace RecrownedAthenaeum.ScreenSystem
         /// Transitions to apply.
         /// </summary>
         public readonly List<ITransition> Transitions;
+
         /// <summary>
         /// Whether or not to continue rendering this screen onto a buffer for the benifit of the next screen to use as a transition.
         /// </summary>
@@ -113,7 +114,6 @@ namespace RecrownedAthenaeum.ScreenSystem
         /// </summary>
         /// <param name="delta">Time passed since last frame in seconds.</param>
         /// <param name="waiting">If the this transition should wait.</param>
-        /// <param name="previousScreenExitFrame">The previous screen's frame. May be null.</param>
         /// <returns>Only returns true if exit transition is complete. Returns false otherwise.</returns>
         public bool UpdateTransition(double delta, bool waiting)
         {