Improves HOW description
Improves HOW description

Which would effectively close #2067, besides the change in the link.

perl6/doc,tbrowder/doc,jonathanstowe/doc,dmaestro/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,MasterDuke17/doc,stmuk/doc,stmuk/doc,tbrowder/doc,dmaestro/doc,perl6/doc,jonathanstowe/doc,stmuk/doc,tbrowder/doc,MasterDuke17/doc,MasterDuke17/doc,dmaestro/doc,stmuk/doc,jonathanstowe/doc,tbrowder/doc,jonathanstowe/doc,perl6/doc,perl6/doc,dmaestro/doc,MasterDuke17/doc,dmaestro/doc