README.md in ucb_rails_cli-1.2.0 vs README.md in ucb_rails_cli-1.3.0

@@ -19,14 +19,16 @@
   * Ruby >= 2.3
   * Rails >= 5.1
 
 Older versions of these might work, but haven't been tested.
 
+If you're using Rails >= 6, you'll need recent versions of [https://nodejs.org/en/](node) and [https://yarnpkg.com/](yarn).
+
 You also need the master key to [decrypt credentials stored in the generated `config/credentials.yml.enc` file.](https://www.engineyard.com/blog/rails-encrypted-credentials-on-rails-5.2) You can set this up by storing the key in either:
 
   * the `RAILS_MASTER_KEY` environment variable, or:
   * a file located at `~/.ucb_rails_master_key`
-  
+
 If one of these options is not set, you won't be able to generate a new app.
 
 ## Bootstrap version
 
 Version 1.0 of this gem uses Bootstrap 4. Use version 0.9.0 if you need Bootstrap 3