How to change the privacy setting for a specific list

Via desktop or laptop:

1. Log into your account
2. At the top left header, hover over 'Saved' and select 'Show all Lists'
3. Click the list you'd like to manage
4. Select 'Edit' to select your preferred setting and click 'Apply' then 'Save'

Via iPhone or Android app:

1. Tap 'Saved' on the bottom navigation bar 
2. Select 'Lists' from the tabs at the top of the screen
3. Tap the list you want to manage
4. Tap the overflow menu (3 dots) in the top right corner and select 'Edit list'
5. Select your preferred privacy level
6. Tap 'Save'