code: public static DescriptionStrategy monthsInstance(final ResourceBundle bundle, final FieldExpression expression) {
          return new NominalDescriptionStrategy(bundle, integer -> Month.of(integer).getDisplayName(TextStyle.FULL, bundle.getLocale()), expression);
      }
docs: Creates description strategy for months.
  
  @param bundle     - locale
  @param expression - CronFieldExpression
  @return - DescriptionStrategy instance, never null