Yes, you can start from there to amend your 2017 return. Unfortunately, the IRS will not let you e-file the amended return. You have to print and mail it.
- Click on Federal in the bar to the left
- Click on Other Tax Situations at the top
- Scroll down to the bottom of the page to Other Tax Forms
- You should see Amend a Return, click Start
I attached a screen shot of the next screen where you start.