refine text a little
refine text a little

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