These changes won't bring the program up to date.

"Increase payroll taxation on the wealthy
Boost the special minimum benefit for lifetime low earners
Raise benefits, via the primary insurance amount, for long-lived beneficiaries (ages 78 to 82)
Shift the COLA tether to the Consumer Price Index for the Elderly (CPI-E)"

https://www.msn.com/en-us/mone....y/retirement/joe-bid

Joe Biden Has Plans to Change Social Security: Is Congress on Board?
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Joe Biden Has Plans to Change Social Security: Is Congress on Board?

Biden's four-point proposal is designed to reverse Social Security's more than $20 trillion estimated funding shortfall.