diff --git a/homework03/life.py b/homework03/life.py
index 2c2e769..fbb2cd8 100644
--- a/homework03/life.py
+++ b/homework03/life.py
@@ -26,7 +26,7 @@ def __init__(
         # Максимальное число поколений
         self.max_generations = max_generations
         # Текущее число поколений
-        self.generations = 1
+        self.n_generation = 1
 
     def create_grid(self, randomize: bool=False) -> Grid:
         # Copy from previous assignment
@@ -71,4 +71,4 @@ def save(filename: pathlib.Path) -> None:
         """
         Сохранить текущее состояние клеток в указанный файл.
         """
-        pass
\ No newline at end of file
+        pass
diff --git a/homework03/ui.py b/homework03/ui.py
index a1ce84f..b3edb97 100644
--- a/homework03/ui.py
+++ b/homework03/ui.py
@@ -8,6 +8,6 @@ class UI(abc.ABC):
     def __init__(self, life: GameOfLife) -> None:
         self.life = life
 
-    @abc.abstractmethod:
+    @abc.abstractmethod
     def run(self) -> None:
         pass