Here's mine:
//ref
//date
void setup()
{
Serial.begin(9600);
Serial.println(".... description ....");
Serial.print("Created: ");
Serial.print(__TIME__);
Serial.print(", ");
Serial.println(__DATE__);
//turn off L13
pinMode(LED_BUILTIN, OUTPUT);
digitalWrite(LED_BUILTIN, LOW);
} //setup
void loop()
{
} //loop