Head “dent”??

Lexi • Wife💍Mama🩵 Birth Mother🤍👼🏻x3

FTM here.. is it normal for his head to go down like that on the top?? i just noticed it today.. nothing is ever on his head that would make it dent like that. I thought maybe it was just his hair making it look that way but I can actually feel the indent. He’s 11 weeks old.