diff --git a/main.go b/main.go
index d1643c8..e71d946 100644
--- a/main.go
+++ b/main.go
@@ -296,7 +296,7 @@ func ComputeWallMask(img image.Image, thicknessMM float64, pixelToMM float64) ([
 
 	// 6. Generate Wall
 	// Wall is generated by expanding Board outwards.
-	// We want the wall to be strictly OUTSIDE the board (or centered on outline? User said "starts at outline").
+	// We want the wall to be strictly OUTSIDE the board.
 	// If we expand Board, we get pixels outside.
 
 	thicknessPixels := int(thicknessMM / pixelToMM)