I found a small issue, but I'm not sure if it's from your plugin or something else; though, it clears up when turning off your plugin. When going to a shop, the map name shows up next to the gold:
https://gyazo.com/08b8955e611f603263e0058b61339df9
Thanks for your report. True, the problem is very likely in my code, and I will fix it as soon as possible!
