tweaked documentation

README.rdoc

@@ -193,10 +193,9 @@ http://pragdave.blogs.pragprog.com/pragdave/2006/01/sharing_externa.html
 
 * Fork the project.
 * Make your feature addition or bug fix.
-* Add tests for it. This is important so I don't break it in a
-  future version unintentionally.
-* Commit, do not mess with rakefile, version, or history.
-  (if you want to have your own version, that is fine but bump version in a commit by itself I can ignore when I pull)
+* Add tests for it. This is important so we don't break a future version unintentionally.
+* Commit your changes, but do not mess with the rakefile, version, or history.
+  (if you want to have your own version, that is fine but bump version in a commit by itself so we can ignore when we pull)
 * Send a pull request. Bonus points for topic branches.
 
 == Contributors