Apply suggestions from code review

Co-authored-by: M.P. Korstanje <[email protected]>

Author: antagoony

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - [Ruby] Minor cosmetic / CI changes for development (Nothing front-facing)
 - [Python] PEP 639 licence metadata specification ([#361](https://github.com/cucumber/cucumber-expressions/pull/361))
 - [Java] Add OSGi metadata
+### Added
 - [Java] class `KeyboardFriendlyDecimalFormatSymbols` is now `public` and can be used when creating a custom `Locale`-aware type transformation method
 ([#376](https://github.com/cucumber/cucumber-expressions/issues/376)
 [antagoony](https://github.com/antagoony))

java/src/main/java/io/cucumber/cucumberexpressions/KeyboardFriendlyDecimalFormatSymbols.java

@@ -8,7 +8,7 @@
  * <p>
  * Note quite complete, feel free to make a suggestion.
  */
-public class KeyboardFriendlyDecimalFormatSymbols {
+public final class KeyboardFriendlyDecimalFormatSymbols {
 
     public static DecimalFormatSymbols getInstance(Locale locale) {
         DecimalFormatSymbols symbols = DecimalFormatSymbols.getInstance(locale);