The first scheme says this among other things: partition/filesystem setup, final config, install CD 1 pre-built packages (optional), reboot, install extra pre-built packages like KDE and GNOME (if using "CD 2". As you can see, you lack a ')' at the end of the sentence. The right sentence sounds like: partition/filesystem setup, final config, install CD 1 pre-built packages (optional), reboot, install extra pre-built packages like KDE and GNOME (if using "CD 2").
Starting a big review on such inconsistencies...
Fixed