How to correct misspelling of middle name?

[janosch]

Hi all

I recently received my ASC appointment notice to be fingerprinted for my pending I485 application. Unlike the other receipt notices I've gotten so far (which used my middle initial only), this notice spelled out my middle name, and it's spelled incorrectly. How can I notify them of this and make the change so the name they have on record matches my passport etc?

Thanks!