The Spotify URI is similar to the release link (URL), and it's the official format requested by the platform to proceed with any modifications.
You can get it by following these step. As of now, you cannot do this on the mobile app:
1. Open the Spotify computer app and go to the song or album or artist that needs changes.
2. Right click on it and select "Share".
3. Position the cursor on "Share" and then click "Copy Spotify URI". The code will be copied to your clipboard.
