Fortunately I managed to do it after a while with troubleshooting.
So here is the case. Why did the wiki page make it seem like a no problemo operation? Who is responsible for this mess? And how can flaws in documentation be corrected? Can I contribute with my experience?
First of all, the Wiki is NOT the official documentation and it can hold old information, even it was written by staff members. Second, it is a wiki, so everyone can contribute - which includes you. Register and update the page with the correct way. Your experience can go here in the forums.
Normal way of including stuff into a company made documentation is a need for it, e.g. in a forum, then others or even members of the staff give answers. Some people are writing it up in/on the wiki and sometimes if it is a well defined need or requested frequently, it is included in the official documentation.