Update 2010-11-03-xdsd.md

Line 9 - added the article "the".
Line 10 - changed "development" to "developing". Capitalized the word "extremely".
Line 15 - capitalized the word "extremely".
Line 24 - added the article "the".
Line 26 - added a comma to separate two clauses.
Line 39 - deleted the comma. This sentence must be one clause.