diff --git a/html/edit-algo-part-4.html b/html/edit-algo-part-4.html
index 11961b2..6418e49 100644
--- a/html/edit-algo-part-4.html
+++ b/html/edit-algo-part-4.html
@@ -18,7 +18,7 @@ <h1 class="page-header">Edit comment</h1>
   <div class="row">
     <div class="col-sm-4">
       <form class="form-add" action="/edit-algo-comment" method="post">
-        <textarea name="comment_block" id="comment_block-block" cols="80" rows="5"></textarea>
+        <textarea name="comment_block" id="comment_block" cols="80" rows="5"></textarea>
         <button class="btn btn-lg btn-primary btn-block" type="submit" value="POST">Save comment</button>
       </form>
     </div>