How to stop tracking replies

There's a button to "Track this Topic" which sends email notifications. How do I turn this off for me for a specific topic? Thanks

Click My Controls near the top of this webpage. In the new menu, click view topics from the left column. This will bring up a list of topics that you are subscribed to. Locate the topic you want to unsubscribe from and place a check in the box next to it, than at the bottom of the page choose unsubscribe than click with selected.