YAMS: Changing Server Name - I cant make it

Hi,
Im Newbie with Yams and try to test before I use it for a site.
The site where I like to test ist like:
www.tototo.de/yamstest

As far as I understood, I have to make the Configuration of Server /Names /Root etc. first, but i simply cant make it to change even the server Name in the language settings of the modules

For Server Name it says this:
(www.tototo.de/)

but it should say this:
(www.tototo.de/yamstest)
right?
If I try to edit, it not changing anything.

Did I mistunderstood something?

Thanks for help

OK, first Problem again solved by the help of Susan

note: there is a field for subdirectory in the tab "other Params" (http://forums.modx.com/thread/85467/yams-ignores-htaccess-and-rewritebase-on-localhost-xampplite#dis-post-471604)

But Im still not sure how to handle this for the "real site":
There are 2 domain in reserved by my client. 1 for English 1 for German Site.
How to I manage to realise that tototo.com goes for the english Version and tototo.de goes for the german version?

In Yams Modul "Language Settings" it tells me:

Language dependent server name mode is currently OFF. To enable this mode it is necessary to specify a monolingual server name and a multilingual server name for each active language.

But Im not able to change that - in my testing system. Its simply not excepting any change by me.
So finally Im totally uncertain how to write the other servername - with http, without, with brackets, without brackets?

So sorry, but maybe someone can help?
Nudibrach