How to change or edit criteria for an existing filter?

To change or edit an existing filter criteria follow these steps:

1. Click on the filter criteria "pill".  In the example below "What is your favourite colour? : Red"
   
   

   

2. In the popup edit the criteria as appropriate and click save. For example change the criteria from "Red" to "Green":
   
   
3. The resultant list illustrates the new criteria - "What is your favourite colour? : Green" and matching single record: