Adding a Potentiometer to the Servo Motor Circuit

/* Jung Min Yean
 *  Using the Servo Motor
 *  Using the for loop
 *  04/18/19
 */

#include <Servo.h> // the servo library (every time this is included, you must add an object
 const int servoPin = 3;
 Servo myservito;
 const int PotPin = A0;
 int PotVal = 0;
 int angle = 0;

 void setup()
{
  myservito.attach(servoPin);
  pinMode(PotPin, INPUT);
}

void loop()
{
  PotVal = analogRead(PotPin);
  angle = map(PotVal,0,1023,0,179);
  myservito.write(angle);
}