You will not be able to e-file an amended return. A paper form must be mailed in.
You should consider filing an amended tax return if there is a change in your filing status, income, deductions or credits.
Note: If you file as married filing jointly with your spouse, you cannot file a amended form with the married filing separately status after the filing deadline has passed.
-follow this link for additional information-
What you need to know about filing an amended tax return