There is an incorrect basis on form 8949. How do I adjust

Try this:

1.  Click Federal Taxes across the top.

2.  Click Wages & Income across the top.

3.  Click I’ll choose what I work on.

4.  Scroll down to Investment Income.

5.  Click Start or Update by Stocks, Mutual Funds, Bonds, Other.

Click Edit by the one you want to change.

Click Edit again by the one you want to change.

Go through the interview till you get to the screen you want to change.