You can customize and make edits to your profile anytime through your account settings. 

1. Login to your account on www.masterclass.com

2. Navigate to your user icon on the top right corner of the page

3. On the dropdown click on Profiles

4. Click on Manage Profiles (if there are more than 1), or Edit Profile

5. Under Edit Profile you can edit your name, location, About Me, Mature Content Settings and even upload a custom photo for your profile picture.