README.md in potassium-6.4.0 vs README.md in potassium-6.5.0

@@ -91,11 +91,10 @@
 
 ### Heroku
 
 When you choose to deploy to heroku a few extra things are added for the project.
 
-  - Adds the [Rails Stdout Logging][logging-gem] gem to configure the app to log to standard out, which is how [Heroku's logging][heroku-logging] works
   - Adds a [Procfile][procfile] to define the processes to run in heroku
   - Setup continuous integration using docker and herokuish to maintain better parity between testing and production environments
   - Adds a `bin/release` file with the release phase script to run specific tasks before the app is deployed completely, for example `rails db:migrate:with_data`
   - Adds a `.buildpacks` file with the default buildpacks to use. It use the following buildpacks:
 
@@ -127,10 +126,9 @@
 
 #### ReviewDog
 
 In order to enable code linting via CircleCI and ReviewDog, you need to activate the **Only build pull requests** option under the `Advanced settings` section for your project.
 
-[logging-gem]: https://github.com/heroku/rails_stdout_logging
 [heroku-logging]: https://devcenter.heroku.com/articles/logging#writing-to-your-log
 [procfile]: https://devcenter.heroku.com/articles/procfile
 [heroku-buildpack-ruby-version]: http://github.com/platanus/heroku-buildpack-ruby-version
 [heroku-buildpack-nodejs]: https://github.com/heroku/heroku-buildpack-nodejs
 [heroku-buildpack-ruby]: http://github.com/heroku/heroku-buildpack-ruby