diff --git a/compute.py b/compute.py
index 98d9800..d466f8c 100644
--- a/compute.py
+++ b/compute.py
@@ -103,17 +103,12 @@ def transpose(matrix: Matrix) -> list[list[float]]:
     Alle Zeilen werden zu Spalten und alle Spalten zu Zeilen.
 
     Parameters
-    ----------
     matrix
         Matrix in Form ``Sequence[Sequence[float]]``.
-
     Returns
-    -------
     list[list[float]]
         Die transponierte Matrix.
-
     Raises
-    ------
     ValueError
         Wenn ``matrix`` leer ist oder nicht gleichmäßig viele Spalten
         in den Zeilen hat.
@@ -167,8 +162,6 @@ if __name__ == "__main__":
         print("example 3 passed:", error)
 
 
-    # end of main guard
-
 
 
 
diff --git a/moon.py b/moon.py
index 8810f4d..1a0d02c 100644
--- a/moon.py
+++ b/moon.py
@@ -25,18 +25,22 @@ BLUE = (0, 0, 255)
 
 
 class Moon(Game):
-    """Demonstrates a moon orbiting the Earth using matrix rotation."""
 
     def __init__(self, title: str = "Moon", fps: int = 60, size: Tuple[int, int] = (640, 400)) -> None:
         super().__init__(title, fps, size)
         # Earth centre – centre of the window
         self.center: Tuple[int, int] = (size[0] // 2, size[1] // 2)
         # Fixed orbit offset from the centre
-        self.offset: Tuple[float, float] = (100.0, 0.0)
+        self.offset: Tuple[float, float] = (150.0, 0.0)
         # Angular speed (radians per frame)
         self.delta_theta: float = 0.01
         self.theta: float = 0.0
         self.rot_moon: list[list[float]] = rot_2D(self.theta)
+        # Initial moon position
+        self.position_moon = (
+            self.center[0] + self.offset[0],
+            self.center[1] + self.offset[1],
+        )
 
     def update_game(self) -> bool:
         # Advance the angle and recompute the rotation matrix