Updates link in Production deployment of readme (#2113)
Updates link in Production deployment of readme (#2113)

I think I found a typo.  Hope this fix matches the author's intended meaning.
giacomorebonato/next.js,BlancheXu/test,azukaru/next.js,azukaru/next.js,nelak/next.js,kpdecker/next.js,zeit/next.js,zeit/next.js,JeromeFitz/next.js,JeromeFitz/next.js,JeromeFitz/next.js,BlancheXu/test,callumlocke/next.js,JeromeFitz/next.js,flybayer/next.js,flybayer/next.js,BlancheXu/test,flybayer/next.js,zeit/next.js,azukaru/next.js,flybayer/next.js,arunoda/next.js,azukaru/next.js