You will need to keep an eye out for updates. You can bookmark this link https://ttlc.intuit.com/questions/1894381 and once it's available, 2017 will become a clickable link for you. You'll then be able to click that year and get instructions to amend.
Keep in mind, you will want to wait until the IRS has fully processed your return AND sent you your refund before you amend the return. Or if you owe them taxes, you want to be sure to pay that before amending.
Amended returns will also need to be printed and mailed. And they can take 12-16 weeks to process.
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