message: Use 2020 latest data in README
diff: @@ -26,16 +26,16 @@ npm run dataLoader load_emissions_factors conversion-factors-2021-flat-file-auto
  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 egrid2019_data.xlsx NRL19 -- --format egrid_data --source https://www.epa.gov/sites/production/files/2021-02/egrid2019_data.xlsx
  -npm run dataLoader load_emissions_factors egrid2019_data.xlsx ST19 -- --format egrid_data --source https://www.epa.gov/sites/production/files/2021-02/egrid2019_data.xlsx
  -npm run dataLoader load_emissions_factors egrid2019_data.xlsx US19 -- --format egrid_data --source https://www.epa.gov/sites/production/files/2021-02/egrid2019_data.xlsx
  +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
  +npm run dataLoader load_emissions_factors egrid2020_data.xlsx ST20 -- --format egrid_data --source https://www.epa.gov/system/files/documents/2022-01/egrid2020_data.xlsx
  +npm run dataLoader load_emissions_factors egrid2020_data.xlsx US20 -- --format egrid_data --source https://www.epa.gov/system/files/documents/2022-01/egrid2020_data.xlsx
  ```
  Source is an optional tag to record where you downloaded the data from.
  For 2020 data, you will need the 2020 spreadsheet and change the sheets to `NRL20`, `ST20`, and `US20`.
  -The [U.S. Energy Information Administration's Utility Identifiers](https://www.eia.gov/electricity/data/eia861) can be downloaded, and then the Utility_Data spreadsheet contains the utility identifiers, which can be loaded with
  +The [U.S. Energy Information Administration's Utility Identifiers](https://www.eia.gov/electricity/data/eia861) can be downloaded, and then the `Utility_Data` spreadsheet contains the utility identifiers, which can be loaded with
  ```
  npm run dataLoader load_utility_identifiers Utility_Data_2020.xlsx
  ```
  