message: Added comment about second argument of updateData
diff: @@ -236,6 +236,9 @@ export class ChartApi implements IChartApi, DataUpdatesConsumer<SeriesType> {
  const timeScaleUpdate = update.timeScaleUpdate;
  model.updateTimeScale(timeScaleUpdate.index, timeScaleUpdate.changes, timeScaleUpdate.marks, true);
  timeScaleUpdate.seriesUpdates.forEach((value: SeriesUpdatePacket, key: Series) => {
  + // the latest arg `true` must be removed in https://github.com/tradingview/lightweight-charts/issues/270
  + // here we don't need to clear palettes because they were just filled in DataLayer
  + // see https://github.com/tradingview/lightweight-charts/pull/330#discussion_r379415805
  key.updateData(value.update, true);
  });
  model.updateTimeScaleBaseIndex(0 as TimePointIndex);
  