Hi Yleisajattelija. Are you referring to a specific wiki document or should this have been posted as a new dCore help request? Specifically, is what working now? Are you referring to dCore-usbinstall? Personally i am not very familiar with Syslinux so someone else will need to address, sorry.
Recent wiki updates:
dCore sce-ppa-add Command:
http://wiki.tinycorelinux.net/dcore:ppa-add_command-ppa-add command changed to sce-ppa-add.
-Minor --help and wiki changes, same functionality.
-This update just sent to Jason for upload, should be available in Ubuntu-based dCores soon.
dCore SCE Management Commands
http://wiki.tinycorelinux.net/dcore:extensions#dcore_sce_management_commands-Should now include all official, extra and 3rd party related SCE management commands.
-dCore-google-chrome-stable-installer needs updating if a kind soul is inclined.
-getFlash11 not fully tested on my old hardware, install script appeared to work fine.
-Last check dCore-java-installer and user submitted dCore Flash 10 SCE Creation Script worked well.
dCore SCE Overview
http://wiki.tinycorelinux.net/dcore:handling_extensions?&#additional_repositories-Additional Repositories section updated regarding commenting out /debextra/ entries as desired.
dCore Contributing
http://wiki.tinycorelinux.net/dcore:contributing-dCore Contributing section updated
-FixMe section added with help request and to do list