Hi, if you have filed an extension you don't need to amend your return yet, unless you are trying to amend your taxes from a prior year. 

For more info on what to do after you've filed an income tax extension, check out this FAQ: https://turbotax.intuit.com/tax-tips/tax-extensions/what-to-do-after-youve-filed-an-income-tax-exten...

If you file your extension and then need to make a correction, check out how to correct federal tax returns here: https://turbotax.intuit.com/tax-tips/amend-return/how-to-correct-federal-tax-returns/L67t0F7il