Updating the README.md for grammar and clarifications.
Updating the README.md for grammar and clarifications.

This is mainly to force a rebuilding of the site which would actually
close #2518 in due time.

tbrowder/doc,perl6/doc,MasterDuke17/doc,MasterDuke17/doc,tbrowder/doc,MasterDuke17/doc,tbrowder/doc,perl6/doc,perl6/doc,perl6/doc,MasterDuke17/doc,perl6/doc,tbrowder/doc