It looks sorta like a dent in the edge and a bubble in the base, right?
I have one on my skis - it happened when I spun a 4 out a bit too soon and clipped the end of the rail. Depending on where it is you wont notice it at all, if its right at the turning radius just make sure its on your outside edge, if it's on the very nose your fine, if it's anywhere else you really can't do anything about it so just keep riding and you'll get used to it.