Default is this correct?

First off, I've been reading all the posts for weeks before doing this, so please do not tell me to search. I am not the most tech savy guy.

I want to flash the kaiser rom to my tilt.

installed hardspl, got the htc rom and keyboard fix.

now as I am about to update the rom it reads Update from 1.57.502.2 to 1.57.00.01 Is this correct? shouldn't it be 1.56.405.5? What did I do wrong? Any help is much appreciiated.