You must include a notice associated with the Produced Work reasonably calculated to make any Person that uses, views, accesses, interacts with, or is otherwise exposed to the Produced Work aware that Content was obtained from the Database, Derivative Database, or the Database as part of a Collective Database, and that it is available under this License.
note "and that it is available under this License"
https://protomaps.com/docs/pricing-licensing/
It should be "© OpenStreetMap (ODbL)" or at least link https://www.openstreetmap.org/copyright to fulfil also requirement about stating license
note "and that it is available under this License"