Small modification on prestashop

Two littles modification : - Currently the page "notre histoire" [login to view URL] is a category in prestashop (same than for normal product) we would like it to show directly the whole text without needing to click on "plus" and removing the "l n'y a pas de produits dans cette catégorie" (there is no product on this page) - On the homepage , there is a Read more that we would like to translate by "En savoir plus" but so far we didn't find how / where to translate it