diff --git a/src/main.c b/src/main.c
index c0cf429..78012e2 100644
--- a/src/main.c
+++ b/src/main.c
@@ -42,7 +42,7 @@ int main(void)
 
 	for (unsigned long i = 1;; i++) {
 		if (i >= 99999) i = 1;
-		sprintf(buf, "BOINK #%05lu\r\n", i);
+		sprintf(buf, "[CORE] Update #%05lu...\r\n", i);
 		UART_SendString(buf);
 		_delay_ms(3000);
 	}