diff --git a/GameLogic.py b/GameLogic.py
index 8c9fcf0..02ae54f 100644
--- a/GameLogic.py
+++ b/GameLogic.py
@@ -28,6 +28,7 @@ class GameLogic():
             # since every mark is checked, there's no need to go into
             # opposite directions, so, there is (0,1) but no (0, -1).
             # This twice decreases the amount of computation needed.
+            # maybe TODO - Optimize even more by preventing repeated calculations.
             directions = ((0, 1), (1, 0), (1,1), (-1, 1))
             for mark in markList:
                 for direction in directions: