This is correct. Some will say a disconnect tool is needed, but not necessary for the filter.IIRC, you squeeze the tabs and pull gently at each end and the lines come off nice and easy, reverse procedure is a push until you hear a solid click. Make sure you de-preSSurize the feed line. Then loosen gas cap.
Now you can remove the filter without getting a gas bath.
Oh yeah, I think the bolt for the bracket to body is a 10mm.
Take your time and it should not take more than 15 minutes.
AC Delco filter: http://www.rmsautoparts.com/proddetail.php?prod=GF624K&cat=48