In the manual, chapter 'Removing kernels', the package 'aptosid-kernelhacking' is mentioned two times:
Old kernels can be removed from the system. To do so, you can use the script kernel-remover which is in the package aptosid-kernelhacking. This script must be installed and allows to you nominate which kernels you wish to remove.
apt-get install aptosid-kernelhacking
The package 'aptosid-kernelhacking' does not exists, the new package name is now 'kernel-remover'.
apt-cache show kernel-remover
Maintainer: Stefan Lippers-Hollmann <firstname.lastname@example.org>
Replaces: sidux-kernelhacking (<< 3.0.2)
/.. cut ../
This error is on CD and also in the online-manual.