peek or pop?

[jygao]

iOS:
ios peek is weak,pop is strong

• (void) vibratePeek {
  AudioServicesPlaySystemSoundWithCompletion(1519, NULL); // Actuate Peek feedback (weak boom)
  }
• (void) vibratePop {
  AudioServicesPlaySystemSoundWithCompletion(1520, NULL); // Actuate Pop feedback (strong boom)
  }

but,in the readme.md:

Pop vibration
Pop vibration: weak boom (For iOS: only available with the haptic engine. iPhone 6s minimum or Android)

Vibration.VibratePop();

Peek Vibration
Peek vibration: strong boom (For iOS: only available on iOS with the haptic engine. iPhone 6s minimum or Android)

Vibration.VibratePeek();