Minor edits to README
Minor edits to README
polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo,polyphony-ot/polyphony-ios-demo