This is a very simple variation on a very simple cipher. I'm sure one of you geniuses on this site will be able to figure it out without any hints (aside from the title). I encourage you to use a computer to solve it, but that is ultimately not necessary.
Here you go:
Xwj wdwzq sklqgv, bzmjm qk sv micst ifl whxgaabw jmsklqgv.