Tap a place or building on the map, expand the white panel and tap Edit Place. Depending on the place you can edit or add multilingual names, addresses and other details such as opening hours, phone, website, email, cuisine or wifi availability. Once you have finished adding the info, tap Save and changes will be saved on your device. If you are logged into your account, your edits will be automatically uploaded to OpenStreetMap.org (OSM).
Alternatively, you can edit information about the object on OSM web site:
- Log in to be able to edit information
- Find the place on OSM web site and edit information about it (click on "Edit" option on the top of the tool bar).