À quoi sert le paramètre de site "définir la locale à partir de l'en-tête Accept-Language" ?

[Jagster (Jakke Lehtonen)]

@osioke

Then speaking to the set locale from accept language header site setting, it is used to have your users see and use and register on the site with the locale their browser is set to

Really? Because it says: ” set interface language for anonymous users from their web browser’s language headers”