README.md in yoti-1.5.0 vs README.md in yoti-1.6.0

@@ -268,10 +268,10 @@
 The examples can be found in the [examples folder](examples). 
 
 ### Ruby on Rails
 
 1. Create your application in the [Yoti Hub](https://hub.yoti.com)
-1. Set the application domain of your app to `localhost:3000`
+1. Set the application domain of your app to `localhost:3001`
 1. Set the scenario callback URL to `/profile`
 1. Rename the [.env.example](examples/rails/.env.example) file to `.env` 
 1. Fill in the environment variables in this file with the ones specific to your application (mentioned in the [Configuration](#configuration) section)
 1. Install the dependencies by running the following commands
     ```ruby