Code reference that didn't work

comment.install

<?php

/**
 * Update status field.
 */
function comment_update_8300() {
  $entity_definition_update_manager = \Drupal::service('entity.definition_update_manager');
  $field_definition = $entity_definition_update_manager->getFieldStorageDefinition('status', 'comment');
  $field_definition->setDescription(new TranslatableMarkup('A boolean indicating the published state.'))
    ->setRevisionable(TRUE);
  $entity_definition_update_manager->updateFieldStorageDefinition($field_definition);
}