How to hide related videos at the last of the embedded video

To hide the related videos at the end of the embedded videos simply go to the video link which you have pasted as shown below

https://www.youtube.com/watch?v=c_DOWu-2drQ&list=PLSXSDRo7EE-faiTJGkV4LPYRJla6Bo7w7

now change it to this by adding &rel=0 at the end of it as shown 

https://www.youtube.com/watch?v=c_DOWu-2drQ&list=PLSXSDRo7EE-faiTJGkV4LPYRJla6Bo7w7&rel=0