If the $1,595 is in addition the amount you entered on your original return, you can amend, but you are not required to do so.
You should prepare an amendment (at no charge) to see if the above will make a difference to you. If not, you can discard it.
If
you like the result. wait until you have receive your refund, or paid your tax
due, print and mail the amendment (it cannot be e-filed) and allow about 16
weeks for processing.
See Do I Need To
Amend My Return?
