When you have an open position in the app, you can easily update the sell settings for that specific position by following these steps:
Launch the app and login
Navigate to the bot with the open position
Click "Positions" in the bottom left corner
Select the open position you want to update (found under the "Open" section)
Click "Settings"
Make your changes
Click "Save"
Review the confirmation pop-up message and click "Save" to confirm your changes