I'm not sure where you got this information, but it is incorrect. Corrected for digestibility, it is not ideal, but is still complete: https://en.wikipedia.org/

I'm not sure where you got this information, but it is incorrect. Corrected for digestibility, it is not ideal, but is still complete: https://en.wikipedia.org/wiki/Complete_protein https://en.wikipedia.org/wiki/Complete_protein