correct a typo in machine learning (#1851)
correct a typo in machine learning (#1851)


gozer/voice-web,common-voice/common-voice,gozer/voice-web,gozer/voice-web,common-voice/common-voice,common-voice/common-voice,gozer/voice-web,gozer/voice-web,gozer/voice-web,gozer/voice-web,common-voice/common-voice