(examples/with-immutable-redux-wrapper) Fix README.md (#7597)
(examples/with-immutable-redux-wrapper) Fix README.md (#7597)

Fix typo
BlancheXu/test,flybayer/next.js,flybayer/next.js,zeit/next.js,flybayer/next.js,zeit/next.js,azukaru/next.js,flybayer/next.js,zeit/next.js,BlancheXu/test,JeromeFitz/next.js,BlancheXu/test,JeromeFitz/next.js,JeromeFitz/next.js,JeromeFitz/next.js,azukaru/next.js,azukaru/next.js,azukaru/next.js