If your Jointly listing as already been linked to the MLS, you can refresh the current listing to match what has been updated in the MLS or edit your Jointly listing to change the MLS ID.
Refresh Information from Current MLS ID
Click the gear icon to edit listing, select refresh from MLS and confirm.
Update the Current MLS ID to a New MLS ID
1. From the "Edit Listing" gear icon, select "Update MLS ID" and confirm.
Enter the new MLS ID for your listing and choose if you want to update your Jointly listing with the information available on the New MLS listing or keep your existing information in Jointly and just replace the listing ID with a new one.