(Please redirect this comment to someone who can fix a typo on a webpage.)
Great website. I hope everyone appreciates the irony of a spelling error on an formal letter writing page (see below).
http://www.usingenglish.com/articles...ing.html#rules
"Different people put the date on different sides of the page. You can write this on the right or the laft [sic] on the line after the address you are writing to. Write the month as a word."