message: RM619 Change README
diff: @@ -21,9 +21,11 @@ Download the emissions factors in flat file for automatic processing format from
  Load the data with the `dataLoader` script:
  ```
  -npm run dataLoader load_emissions_factors conversion-factors-2021-flat-file-automatic-processing.xls "Factors by Category" -- --format conversion-factors-uk
  +npm run dataLoader load_emissions_factors conversion-factors-2021-flat-file-automatic-processing.xls "Factors by Category" -- --format conversion-factors-uk --year 2021
  ```
  +Year is required parameter for conversion-factors-uk format and it is ignored in other formats.
  +
  Download the [U.S. Environmental Protection Agency eGRID data](https://www.epa.gov/egrid) and . Then load them with:
  ```
  npm run dataLoader load_emissions_factors egrid2020_data.xlsx NRL20 -- --format egrid_data --source https://www.epa.gov/system/files/documents/2022-01/egrid2020_data.xlsx
  