It says on page 1 of Vine Balls that it's made with string, not the rune of air.

Did I do this correctly? Or is there another way you'd prefer for any future reports?

You can edit the file yourself. Just go to it and click the little pencil in the corner. That'd save me a bit of work if you want. https://github.com/Vazkii/Botania/blob/master/resources/assets/botania/lang/en_US.lang