It’s an officially published images from the publisher on the published images section of the published Steam page, so I assume the publisher knows what they’re doing. But I don’t know if this is part of the officially published product or if the publisher is publishing an image from a unofficially published mod. But the publisher isn’t a major outfit and this isn’t an officially published LOTR product, so I have no idea why they’d go for this expense.
That or they’ve translated something else to Elvish. Who wants to decode it and find out? Maybe it’ll tell you the name of the game?! (edit, nope, it’s definitely the one ring inscription!)