diff --git a/src/content/reference/en/p5/mouseWheel.mdx b/src/content/reference/en/p5/mouseWheel.mdx
index 12317224e2..e90ac41591 100644
--- a/src/content/reference/en/p5/mouseWheel.mdx
+++ b/src/content/reference/en/p5/mouseWheel.mdx
@@ -97,7 +97,7 @@ example:
       background(200);
 
       // Draw the circle
-      circle(circleSize, 50, 50);
+      circle(width / 2, height / 2, circleSize);
     }
 
     // Increment circleSize when the user scrolls the mouse wheel.