1. Press the circle-i icon on the top left of Maps. 2. Select Report an Issue 3. Select Map Labels 4. Fill out the form, and add pictures. 5. Wait a few weeks

1. Press the circle-i icon on the top left of Maps. 2. Select Report an Issue 3. Select Map Labels 4. Fill out the form, and add pictures. 5. Wait a few weeks. I've added my workplace this way.