diff --git a/getting_started/first_3d_game/09.adding_animations.rst b/getting_started/first_3d_game/09.adding_animations.rst
index bfc08876f97..353e86a6803 100644
--- a/getting_started/first_3d_game/09.adding_animations.rst
+++ b/getting_started/first_3d_game/09.adding_animations.rst
@@ -358,7 +358,7 @@ Here's the *Player* script.
             var collision = get_slide_collision(index)
 
             # If the collision is with ground
-            if (collision.get_collider() == null):
+            if collision.get_collider() == null:
                 continue
 
             # If the collider is with a mob