diff --git a/gameforui.go b/gameforui.go
index 4137e803f..888177ade 100644
--- a/gameforui.go
+++ b/gameforui.go
@@ -45,7 +45,7 @@ func Fragment(position vec4, texCoord vec2, color vec4) vec4 {
 	// rate indicates how much the 4 colors are mixed. rate is in between [0, 1].
 	//
 	//     0 <= p <= 1/scale: The rate is in between [0, 1]
-	//     1/scale < p:       Don't care. Adjacent colors (e.g. c0 vs c1 in an X direction) should be the same.
+	//     1/scale < p:       1
 	scale := imageDstSize()/imageSrc0Size()
 	rate := clamp(p*scale, 0, 1)
 	return mix(mix(c0, c1, rate.x), mix(c2, c3, rate.x), rate.y)