Edit article categories in sidebar

Hello.
I’ve a little problem in my wordpress site.
In the sidebar, in all categories names, there is a count to indicate the number of article… but there isn’t in the same line of name of category.
https://italiashare.co.cc/

How can i put it in the same line near name of category?
Thanks.

P.S: I report the code of sidebar.

<div id="categories">
	<h3 class="dbx-handle"><?php _e('Categories'); ?></h3>
	<div>
		<ul>
                      <?php wp_list_cats('sort_column=name&optioncount=1&hierarchical=0'); ?>
          </ul>
        </div>

      </div>