README: Cosmetic change to align underline with two digit version number
README: Cosmetic change to align underline with two digit version number

rvandegrift/elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary,tasn/elementary,tasn/elementary,rvandegrift/elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,FlorentRevest/Elementary,rvandegrift/elementary,tasn/elementary,tasn/elementary