( Ciri staring down at it and squinting at the letters which she can at least recognise as letters, albeit not the languages she reads usually. Only now? Nowishly. )

Ayeoul. Doesn't look like a rune, so yes, maybe a spell? Or a way to activate one?

( Reaching out to tap a finger over some number printed and "hours free." )

It might be some kind of protection spell to keep people from finding you through other magical means.

( Ciri, unaware it's just an advertising campaign out of a certain part of Earth history convincing people to try its services for x number of hours free. )