The description only contains additional information.
I filled most of the basic fields, including opening hours and website(http://combatcity.co.uk/locations/location-dundee-tactical-laser-tag/). Not sure what happened to it, but it seems to have gone into a black hole. 
That's how the filled information looks on my side: https://m.imgur.com/6htwRbt
 I've previously added places from the maps.me app without issues