Ammend run-on sentence
Ammend run-on sentence

makifund/heroku-buildpack-ruby,Scalingo/ruby-buildpack,instacart/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,Genius/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,instacart/heroku-buildpack-ruby,makifund/heroku-buildpack-ruby,heroku/heroku-buildpack-ruby,brightbytes/heroku-buildpack-ruby-without-assets-precompile,Scalingo/ruby-buildpack