message: Fix typo: versionning -> versioning
diff: @@ -68,7 +68,7 @@ All refactorings that appear in Quick Fix suggestions can also be disabled in [y
  ### Versioning
  -We follow [SemVer][semver] convention for versionning.
  +We follow [SemVer][semver] convention for versioning.
  That means our releases use the following format:
  