doitinpoland.com/wp-content/plugins/wpml-translation-management/templates/translators/table-header.twig

<tr>
    <th scope="col" class="manage-column sortable"><a><span>{{ strings.columns.name }}</span><span class="sorting-indicator"></span></a></th>
    <th scope="col" class="manage-column sortable"><a><span>{{ strings.columns.email }}</span><span class="sorting-indicator"></span></a></th>
    <th scope="col" class="manage-column">{{ strings.columns.language_pairs }}</th>
</tr>