Write "Files" application name consistently
In help i suggest writing this the same way:
<app>files app</app>
<app>files</app> file browser
Maybe:
<app>Files</app>
I think that is how i see it written in other software.
https://gitlab.gnome.org/GNOME/eog/-/blob/master/help/C/open.page#L23
https://gitlab.gnome.org/GNOME/eog/-/blob/master/help/C/default.page#L30