diff --git a/examples/tutorials/pong/steps/step5/main.py b/examples/tutorials/pong/steps/step5/main.py
index 31d987ac5..f6a7bcf95 100644
--- a/examples/tutorials/pong/steps/step5/main.py
+++ b/examples/tutorials/pong/steps/step5/main.py
@@ -40,7 +40,7 @@ class PongGame(Widget):
     def update(self, dt):
         self.ball.move()
 
-        # bounce of paddles
+        # bounce off paddles
         self.player1.bounce_ball(self.ball)
         self.player2.bounce_ball(self.ball)
 
@@ -48,7 +48,7 @@ class PongGame(Widget):
         if (self.ball.y < self.y) or (self.ball.top > self.top):
             self.ball.velocity_y *= -1
 
-        # went of to a side to score point?
+        # went off to a side to score point?
         if self.ball.x < self.x:
             self.player2.score += 1
             self.serve_ball(vel=(4, 0))