fix doc to reflect that the upper bound was removed
fix doc to reflect that the upper bound was removed
ceylon/ceylon.language,jvasileff/ceylon.language,unratito/ceylon.language,lucaswerkmeister/ceylon.language,jvasileff/ceylon.language,lucaswerkmeister/ceylon.language,unratito/ceylon.language,ceylon/ceylon.language