Cumulus Support

I'm not entirely sure how to reproduce it, as it seems to change. However, I first got it by keeping the first 3 drop downs empty, and the second 3 with data.. the top item in the tooltip won't have a prefix.

If you keep fiddling about, sometimes 2 items in the tooltip won't have a prefix, or a different one doesn't. It's hard to pin it down due to the combinations.

Here's one example:

Thanks, added to the bug list.