fix according to comments
fix according to comments

bpyoung92/apprtc,bpyoung92/apprtc,samdutton/apprtc,samdutton/apprtc,bpyoung92/apprtc,webrtc/apprtc,webrtc/apprtc,webrtc/apprtc,bpyoung92/apprtc,webrtc/apprtc,webrtc/apprtc,samdutton/apprtc,samdutton/apprtc,bpyoung92/apprtc,samdutton/apprtc