message: Add comment about enum hijinks
diff: @@ -23,7 +23,7 @@ import AccessibleButton from '../../../components/views/elements/AccessibleButto
  export default React.createClass({
  propTypes: {
  - status: React.PropTypes.string, // oneOf(Object.values(updateCheckStatusEnum)).isRequired,
  + status: React.PropTypes.string.isRequired,
  // Currently for error detail but will be usable for download progress
  // once that is a thing that squirrel passes through electron.
  detail: React.PropTypes.string,
  @@ -36,6 +36,8 @@ export default React.createClass({
  },
  getStatusText: function() {
  + // we can't import the enum from riot-web as we don't want matrix-react-sdk
  + // to depend on riot-web. so we grab it as a normal object via API instead.
  const updateCheckStatusEnum = PlatformPeg.get().getUpdateCheckStatusEnum();
  switch(this.props.status) {
  case updateCheckStatusEnum.ERROR:
  