Oh! I managed to do it!
I put this `<?php endif; // If registration required and not logged in ?>
<?php else : // comments are closed ?>
<!– If comments are closed. –>
<div class=”comment-post”>
<h2 id=”respond”>Comments are Closed</h2>
Comments are now closed for this article.</p>
</div>
<?php endif; // if you delete this the sky will fall on your head ?>`
at the bottom of my comments.php, between the last endif;. Yes!