diff --git a/domain/entities/cat.py b/domain/entities/cat.py
index fb7901a..d4dc220 100644
--- a/domain/entities/cat.py
+++ b/domain/entities/cat.py
@@ -13,5 +13,5 @@ class Cat(Entity):
         self.busy = False
         self.sleeping = False
         self.direction = 0
-        
-        self.props = [4,2,20,0,1,32,37,5]
\ No newline at end of file
+
+        self.properties = [4, 2, 20, 0, 1, 32, 37, 5]
diff --git a/domain/entities/earring.py b/domain/entities/earring.py
index 03256c0..fbfb783 100644
--- a/domain/entities/earring.py
+++ b/domain/entities/earring.py
@@ -5,4 +5,4 @@ from domain.world import World
 class Earring(Entity):
     def __init__(self, x: int, y: int):
         super().__init__(x, y, "EARRING")
-        self.props = [1,9,0,1,0,1,20,0]
\ No newline at end of file
+        self.properties = [1, 9, 0, 1, 0, 1, 20, 0]
diff --git a/domain/entities/garbage.py b/domain/entities/garbage.py
index f451dd1..f5b3833 100644
--- a/domain/entities/garbage.py
+++ b/domain/entities/garbage.py
@@ -6,6 +6,6 @@ class Garbage(Entity):
         super().__init__(x, y, "PEEL")
         self.wet = False
         self.size = 0
-        self.props = [2,2,0,0,1,4,24,1]
+        self.properties = [2, 2, 0, 0, 1, 4, 24, 1]
 
         # TODO GARBAGE: add more properties