diff --git a/docs/ja/api/lcd.md b/docs/ja/api/lcd.md
index 8567a6244..2be79c76e 100644
--- a/docs/ja/api/lcd.md
+++ b/docs/ja/api/lcd.md
@@ -587,7 +587,7 @@ XからYまで垂直に線を引きます。
 M5.Lcd.drawFastHLine(0, 0, 12, TFT_GREEN);
 ```
 
-## drawFastVLine()
+## drawFastHLine()
 
 **機能:**