Add a NEWS

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40989 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix a typo.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40990 b2dd03c8-39d4-4d8f-98ff-823fe69b080e