With installing the app, there are a number of new translations that you can translate according to your own taste.
We have already translated them as well as possible for you, but it is always possible that you do not want to tutoy or something like that, then you will find the list of standard translations here.
Note: Lightspeed has already added this for you, so you have to overwrite a translation.
And then these translations that you can edit: (search for the 'keys'):