Wordpress recent comments

recentcomments.php

<?php
function my_recent_comments() {
  	$d = "j.n.Y H:i"; //Date format, set your own
	$comments_query = new WP_Comment_Query();`
	$comments = $comments_query->query( array( 'number' => '6', 'post_id'  => '65', ) ); //How many comments and in which post
	$comm = '';
	if ( $comments ) : foreach ( $comments as $comment ) :
		$comm .= '<li><a class="author" href="' . get_permalink( $comment->comment_post_ID ) . '#comment-' . $comment->comment_ID . '">'; 
		$comm .= get_comment_author( $comment->comment_ID ) . '</a> ';
		$comm .= get_comment_date( $d, $comment->comment_ID ) .'</li>'; 
	endforeach; else :
		$comm .= 'No comments.'; //If no comments are found
	endif;
	return $comm;	
}
add_shortcode('recent-comments', 'my_recent_comments');