Fix Typo (Stammtische).

Signed-off-by: Thomas Hochstein <thh@inter.net>
Chance formatting (Stammtische).

Both second and third paragraph did not start with
complete sentences. Make them a list instead.

Signed-off-by: Thomas Hochstein <thh@inter.net>
Merge pull request #6 from th-h/thh-stammtisch

Fix a typo and change formatting of "Stammtische"