Tap a bookmark on the map → pull up the place page and tap "Edit bookmark" button.
Change the name
Tap "Name" field, enter the name.
Move a bookmark to another list or create a new list
Tap the Set field → select a list or tap "Add new set". Alternatively, you can tap the double star symbol on the main app screen to open the bookmark menu and tap "Create new list".
Add your descriptions and personal notes
Type your note in the field "Your descriptions".
Change the color of the bookmark
Tap the red circle with the star and select color.
After you have edited a bookmark, tap "Save" button in the upper right hand corner to save the changes.
Edit bookmarks in Bookmarks and Guides menu
Tap the double star symbol on the main panel to open the bookmarks menu. Here you can see list of sets (folders) with bookmarks.
To edit a bookmark: tap the name of the list → tap the three dot button and "Edit" to the right of the bookmark. Or simply tap a bookmark in the list → "Edit bookmark".
To edit a list: tap the name of the list → tap the three dot button in the upper right hand corner → List settings. Alternatively tap the three dot button to the right of the list name → List settings.
Hide bookmarks from the map
Tap the double star symbol on the main panel to open bookmarks menu. Uncheck the box to hide certain groups on the map or tap "Hide All" button to hide all lists on the map.