 Yeah, there's been a lot of that four-lined insect out there that creates that browning on the leaves. Not an awful lot you can do about it. I would just cut off the infected leaves. You could still eat them if you had, like, the mint and stuff, and you could dry them. But it's temporary, and you can't do an awful lot about it without using it. You could probably try Captain Jack's, but you have to find them because, you know, sometimes they just go away on their own, so...