pma/templates/database/structure/favorite_anchor.twig

<a id="{{ table_name_hash }}_favorite_anchor"
    class="ajax favorite_table_anchor"
    href="db_structure.php{{ Url_getCommon(fav_params) }}"
    title="{{ already_favorite ? 'Remove from Favorites'|trans : 'Add to Favorites'|trans }}"
    data-favtargets="{{ db_table_name_hash }}" >
    {{ already_favorite ? titles['Favorite']|raw : titles['NoFavorite']|raw }}
</a>