...but not much to worry about.

I'd second the above advice, and maybe see if they need a bigger pot. Either that, or the poor thang just needs a bit more water than it has right now. Try to let 'em dry out between waterings, but if you let 'em dry too long, expect a bit o' droop.

I just found that situ with my Numba2 plant, and about ¾ of a ga. of healthy nute-laden water perked 'er right up.

If you let it dry right out, you should be able to turn it upside down and gently tap the plant/rootball out, to see if it's choking the pot. If so, just transplant to one size bigger