diff --git a/src/dtoModule/tileDTO.py b/src/dtoModule/tileDTO.py
index 4cb7c81..16ff11f 100644
--- a/src/dtoModule/tileDTO.py
+++ b/src/dtoModule/tileDTO.py
@@ -1,5 +1,6 @@
 from src.enums.tileStatus import TileStatus
 
+# what is DTO? Please do not use abbreviations that are not clear
 class TileDTO():
 
     def __init__(self, tileStatus: TileStatus, pedastrianValue: float) -> None:
diff --git a/src/enums/tileStatus.py b/src/enums/tileStatus.py
index 5b53a2f..adae2ba 100644
--- a/src/enums/tileStatus.py
+++ b/src/enums/tileStatus.py
@@ -1,5 +1,6 @@
 from enum import Enum
 
+# since it is a *cell*ular automaton, there might be a more appropriate name than tile;-)?
 def TileStatus(Enum):
     FREE = 1
     BLOCKED = 2
diff --git a/src/simulation/tile.py b/src/simulation/tile.py
index 1587ab7..925d556 100644
--- a/src/simulation/tile.py
+++ b/src/simulation/tile.py
@@ -3,6 +3,7 @@
 
 from random import uniform
 
+# sure it's a tile?
 class Tile():
 
     def __init__(self, tileDTO: TileDTO) -> None: