Very minor corrections to the upgrade document.
Very minor corrections to the upgrade document.

git-svn-id: eee8cf2eb4cac5fd9f9d7b672efb1c285d99a606@831 d471f07e-d8fc-0310-a67b-dd4c8ff0e7cd

mcs/Stripes,svn2github/stripesframework,svn2github/stripesframework,mcs/Stripes