In order to change your URL to what you want, please follow these instructions: 
1. Login to your barista account
2. Click on Profile- then click on "Public Profile" 
3. Scroll to "Profile Information" 
4. You should see "Profile Website"
5. You should be able to edit the "_______" and change it to "_______" 
Please let me know if you were able to change the URL to ________