docs: fix missing comma in invalid redirect gssp (#18580)
docs: fix missing comma in invalid redirect gssp (#18580)

Co-authored-by: Joe Haddad <9a59834641c3efaef8f42337ff0c7967b38f1c43@zeit.co>
zeit/next.js,zeit/next.js,flybayer/next.js,azukaru/next.js,flybayer/next.js,azukaru/next.js,JeromeFitz/next.js,azukaru/next.js,zeit/next.js,JeromeFitz/next.js,JeromeFitz/next.js,azukaru/next.js,flybayer/next.js,flybayer/next.js,JeromeFitz/next.js