Add a few more tutorial tweaks.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@9828 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on May 25, 2009
2DAL6QGFSCAO4HAMHYY2YKZAUXVUGB7GEXJY23R55B4A7YQYTIWAC
Change contents