Subprime lenders Argent Mortgage and CitiFinancial are making voluntary updates to their fair lending practices. At California-based Argent, an online consumer education resource center walks borrowers through the homeownership process. It answers key questions about how to get a loan and key lending laws. Argent also has made it easier for borrowers to understand disclosures by adding “plain language” to the standard Real Estate Settlement Procedures Act disclosure forms and final closing package.…