Swiftify now automatically generates a Readme file at the root level of the project. This README file helps the users better understand the changes made by Swiftify.
Look out for the file Swiftify.README.md.
A typical Swiftify generated Readme file looks like this:
Once you understand the changes made by Swiftify, you can turn on/off the Readme file generation by going to Preferences (⌘+,) => Converter and toggle the corresponding checkbox: