If you gave your employer an incorrect W-4 then prepare a new one and give it to them. The W-4 only goes to your employer. It does not go to the IRS.
https://www.irs.gov/pub/irs-pdf/fw4.pdf
https://www.irs.gov/individuals/tax-withholding-estimator
**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**
