An update to the documentation included in the Windows Automated Installation Kit are available:
This documentation update includes revised content that addresses known help issues, workarounds, and other changes. These files replace the release-to-manufacturing (RTM) .chm files.
Download the ZIP file and extract to %ProgramFiles%\Windows AIK\Docs\CHMs to replace the installed files. All of the new content is highlighted so it’s easy to see what’s new: