protected function _updateObject( $comment_id, $fields ) {
		$fields['comment_ID'] = $comment_id;
		$updated = (bool) wp_update_comment( $this->_addSlashesDeep( $fields ) );
		if ( $updated ) {
			$this->_debug( 'Updated comment ' . $comment_id );
		} else {
			$this->_debug( 'Update failed for comment ' . $comment_id );
		}

		return $updated;
	}