ERRATA The instruction booklet with the OpenBSD 4.0 CD set contains a layout error that confuses the "disklabel" process. There are 12 (unnumbered) pages in the booklet, including the front and back covers. To avoid confusion, please put a note at the bottom of page 6, the one with the heading "Installation Instructions", saying that the text on the next two pages is swapped. In other words, read the manual in the order, ...6,8,7,9....
