Add minor comment typo fixes.

git-svn-id: https://crawl-ref.svn.sourceforge.net/svnroot/crawl-ref/trunk@3309 c06c8d41-db1a-0410-9941-cceddc491573

Created by  dolorous  on January 20, 2008
ZHIAOVRIUZ2SHSLYRMQKTJENFRYL5O7SGLAQNRFY2ZS2MZEWGUVAC
In channels
main
Change contents