Grafana’s y-axis label it cannot showing each instances (statusmap plugin, prometheus)

Hi,
I’m using flant-statusmap-panel plugin on Grafana v6.1.1 and getting data from Prometheus. I have instances like below screenshot. But in Grafana’s y-axis label it cannot showing each instances. You can see it from below second screenshot. Can you give me advice please?

I configured all my configurations according to below url:

@mefraimsson @torkel