diff --git a/README.md b/README.md
index 1b8cca7..091e903 100644
--- a/README.md
+++ b/README.md
@@ -2,10 +2,11 @@
 
 ![Maxwell's Demon](https://github.com/tsujio/game-maxwells-demon/blob/main/image.png?raw=true)
 
-[Demo](https://www.tsujio.org/game-maxwells-demon/)
+[Play](https://www.tsujio.org/game-maxwells-demon/)
 
-# Thanks
+# Credits
 
+- Creator: [Naoki Tsujio](https://www.tsujio.org/)
 - Game engine: [ebiten](https://ebiten.org/)
 - Font: [Press Start 2P by CodeMan38](https://fonts.google.com/specimen/Press+Start+2P)
 - Sound: [MaouDamashii](https://maou.audio/)
diff --git a/main.go b/main.go
index 4af6954..19013de 100644
--- a/main.go
+++ b/main.go
@@ -403,9 +403,9 @@ func (g *Game) Draw(screen *ebiten.Image) {
 
 		drawTextCenter("MAXWELL'S DEMON", 170, largeFont)
 		drawTextCenter("CLICK TO START", 290, mediumFont)
-		licenseTexts := []string{"FONT: Press Start 2P by CodeMan38", "SOUND: MaouDamashii"}
+		licenseTexts := []string{"CREATOR: NAOKI TSUJIO", "FONT: Press Start 2P by CodeMan38", "SOUND: MaouDamashii"}
 		for i, s := range licenseTexts {
-			drawTextCenter(s, 415+i*int(smallFont.FaceOptions.Size*1.7), smallFont)
+			drawTextCenter(s, 400+i*int(smallFont.FaceOptions.Size*1.8), smallFont)
 		}
 	case GameModeLevelStart:
 		drawMolecureCount()