This page might be of interest for all the contributors to this wiki who are either not native English speakers (like me for instance :-)) or otherwise have difficulties with English spelling.
There are spelling helps on the web, e.g.:
http://www.gsu.edu/~wwwesl/egw/jones/links.htm
http://web.archive.org/web/20040202151655/http://www.iss.stthomas.edu/studyguides/spelling.htm
http://www.gsu.edu/~wwwesl/egw/refdict.htm
See also the discussion about the SpellingChecker and http://www.historyhouse.com/stories/spelling.htm for a laugh :-)