Update README.md

Updates the section on how to cut a new release using lessons from today.

README.md

@@ -781,11 +781,18 @@ After checking out the repo, run `bin/setup` to install dependencies. Then, run
 `rake spec` to run the tests. You can also run `bin/console` for an interactive
 prompt that will allow you to experiment.
 
-To install this gem onto your local machine, run `bundle exec rake install`. To
-release a new version, update the version number in `version.rb`, and then run
-`bundle exec rake release`, which will create a git tag for the version, push
-git commits and tags, and push the `.gem` file to
-[rubygems.org](https://rubygems.org).
+To install this gem onto your local machine, run `bundle exec rake install`.
+
+To release a new version:
+- Update the CHANGELOG file with auto-generated release notes from Github (create
+the next tag in Github releases)
+- Update the version number in `version.rb`
+- Commit these changes and push up a branch. Get it approved.
+- From the updated `main` branch, run `bundle exec rake release`, which will
+  create a git tag for the version, push git commits and tags, and push
+  the `.gem` file to [rubygems.org](https://rubygems.org).
+- Create a Github release using the tag you created in the first step, and mark
+  it as the latest.
 
 ## Contributing