"Do not send these documents to NVC. During the visa interview a consular officer will review any proof of assets that you submitted and any additional sponsorship documents."   This is good news, just need to bring the corrected AOS Form to the interview.         Please visit the following to confirm that you meet the Federal Poverty Guidelines.   https://www.uscis.gov/i-864p   If needed, please see the i864 instructions for more info.