In a jarring reversal, the U.S. Department of Education on Thursday quietly revised its online guidance on who qualifies for the $10,000 of student loan forgiveness that President Biden announced in August. In doing so, it pulled the rug out from under at least several hundred thousand people.

At issue: Borrowers who have Perkins loans and Federal Family Education Loans (FFEL). Those earlier-generation loans were guaranteed by the federal government but were issued and are managed by private lenders. The FFEL program ran from 1965 to 2010; Perkins loans ended in 2017.