Stimulus Check Recovery Rebate

Hello,

 

I had a child on January 6, 2021.  We never got any stimulus check for that child.  It is my understanding that we can get a recovery rebate because we were technically owed a stimulus check for him.  Myself, my wife, and my other child did all receive the correct amounts.  Is my understanding correct that I am due a recovery rebate for my child born in January?  If so, how do I go about doing that?