Update README to reflect the new name
Update README to reflect the new name

sgarciac/spec,ruby/spec,sgarciac/spec,kachick/rubyspec,kachick/rubyspec,wied03/rubyspec,ruby/rubyspec,sgarciac/spec,ruby/spec,wied03/rubyspec,eregon/rubyspec,nobu/rubyspec,eregon/rubyspec,nobu/rubyspec,ruby/rubyspec,eregon/rubyspec,wied03/rubyspec,nobu/rubyspec,kachick/rubyspec,ruby/spec