README.md in ably-rest-1.1.0

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 ## Release process
 
 This library uses [semantic versioning](http://semver.org/). For each release, the following needs to be done:
 
 * Update the version number in [version.rb](./lib/ably/version.rb) and commit the change.
-* Run [`github_changelog_generator`](https://github.com/skywinder/Github-Changelog-Generator) to automate the update of the [CHANGELOG](./CHANGELOG.md). Once the `CHANGELOG` update has completed, manually change the `Unreleased` heading and link with the current version number such as `v1.0.0`. Also ensure that the `Full Changelog` link points to the new version tag instead of the `HEAD`. Commit this change.
+* Run [`github_changelog_generator`](https://github.com/skywinder/Github-Changelog-Generator) to automate the update of the [CHANGELOG](./CHANGELOG.md). Once the `CHANGELOG` update has completed, manually change the `Unreleased` heading and link with the current version number such as `v1.0.0`. Also ensure that the `Full Changelog` link points to the new version tag instead of the `HEAD`. Ideally, run `rake doc:spec` to generate a new [spec file](./SPEC.md). Then commit these changes.
 * Add a tag and push to origin such as `git tag v1.0.0 && git push origin v1.0.0`
 * Visit [https://github.com/ably/ably-ruby/tags](https://github.com/ably/ably-ruby/tags) and `Add release notes` for the release including links to the changelog entry.
-* Run `rake release` to publish the gem to [Rubygems](http://www.rubydoc.info/gems/ably)
+* Run `rake release` to publish the gem to [Rubygems](https://rubygems.org/gems/ably)
+* Release the [REST-only library `ably-ruby-rest`](https://github.com/ably/ably-ruby-rest#release-process)
 
 ## License
 
 Copyright (c) 2017 Ably Real-time Ltd, Licensed under the Apache License, Version 2.0.  Refer to [LICENSE](LICENSE) for the license terms.