Widget list of allergens doesn’t have class

On allergens-list/libs/widgets/allergen-filter.php line 62 i’m changing

$html .= '<div class="allergens-filter">' . implode('</div><div>', $list) . '</div>';

for

$html .= '<div class="allergens-filter">' . implode('</div><div class="allergens-filter">', $list) . '</div>';

in order to have the class on each <div> with allergen filter in it, as in the original code only the first one has class.

… Am I breaking something? ??

Thanks a lot for this plugin!