diff --git a/content/20240201182238 ATMega系のArduinoでprintfする方法.md b/content/20240201182238 ATMega系のArduinoでprintfする方法.md
index f5328c8..7037643 100644
--- a/content/20240201182238 ATMega系のArduinoでprintfする方法.md	
+++ b/content/20240201182238 ATMega系のArduinoでprintfする方法.md	
@@ -18,7 +18,7 @@ void setup()
     Serial.begin(115200);
     fdevopen( &my_putc, 0);
     // 以降printfが使える。例↓
-    print("Hello world! A0 = %d\n", analogRead(0));
+    printf("Hello world! A0 = %d\n", analogRead(0));
 }
 
 void loop()