message: Add trailing newline
diff: @@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/).
  ## [0.21.1] - 2021-06-03
  ### Fixed
  -- Restore `import_map.json` to don't break upgrades from older versions.
  +- Restored `import_map.json` to not break upgrades from older versions.
  ## [0.21.0] - 2021-06-01
  ### Added
  