How to add a button after the unit with a description of the review?

Trying carousel reviews to make the active element have a button for "More", but something does not work.


$(".slick-current .desc").after("<a href='#' class='btn'>read More</a>");

But it is not working.
Please help me to figure out what's wrong here. There are three opinion, the button should be the third, because it is active at the moment on the page element.

<div class="item slick-slide slick-cloned" data-slick-index="-2" aria-hidden="true" style="width: 344px;" tabindex="-1">
 <div class="name"><b>Oksana Korinenko</b></div>
 <div class="desc">"Regularly visit the clinic. Love the service and the professionalism of doctors. They know their stuff. Very happy with the results...</div>

<div class="item slick-slide slick-cloned slick-active" data-slick-index="-1" aria-hidden="false" style="width: 344px;" tabindex="-1">
 <div class="name"><b>Anna Sinelnikova</b></div>
 <div class="desc">for two years I go to them for all issues related to appearance....</div>

<div class="item slick-slide slick-current slick-active slick-center" data-slick-index="0" aria-hidden="false" style="width: 344px;" tabindex="-1" role="option" aria-describedby="slick-slide10">
 <div class="name"><b>Irina</b></div>
 <div class="desc">Done in the clinic laser hair removal. Procedure serious, so chose a long time</div>
March 19th 20 at 08:37
1 answer
March 19th 20 at 08:39
$(".slick-current").append("<a href='#' class='btn'>read More</a>");
Thank you! Help! - gino commented on March 19th 20 at 08:42

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