What is this small i-icon in top left corner of barchart?

Hi,

I use latest grafana on a windows machine.
In my barchart I have a small i-icon in the top left corner:

InfoIconBarchartGrafana

If I hover the mouse over this i then I can see a small speech bubble appearing above the barchart. But there is no text inside.

What is this i-icon telling me?

Hi,

I still need help on this issue - may someone (from Grafana team) can assist please?

@mrburns The ā€˜iā€™ icon holds the content of the description field from the panel options. Since the bubble is showing up but is empty you may have inadvertently added a space to the description field at some point while editing. Removing that should clear your issue.

See my screenshot for example of what may be the issue:
image