Click on the List to connect dropdown and choose the audience you want to change the connected Twitter account for.
If you want to disconnect or change the Twitter account connected to the Account Default, be sure to keep the dropdown set to Account Default.
After you disconnect, your Twitter account will no longer be connected to your audience or set as your account default. Repeat steps 3 and 4 to disconnect it from other audiences, or follow the steps to connect a different Twitter account to the same audience.
Have another question? Paid users can log in for email or chat support.