[ServiceWorker] Change "doesn't not" to "doesn't" in README file (#641)

You can view, comment on, or merge this pull request online at:

  https://github.com/slightlyoff/ServiceWorker/pull/641

-- Commit Summary --

  * Change "doesn't not" to "doesn't" in README file

-- File Changes --

    M README.md (2)

-- Patch Links --

https://github.com/slightlyoff/ServiceWorker/pull/641.patch
https://github.com/slightlyoff/ServiceWorker/pull/641.diff

---
Reply to this email directly or view it on GitHub:
https://github.com/slightlyoff/ServiceWorker/pull/641