[docs] Fix typo in Stack documentation (#31176)
[docs] Fix typo in Stack documentation (#31176)

Co-authored-by: danilo leal <905361592905d17bc9e2722f693102799758ebe2@gmail.com>
mui-org/material-ui,oliviertassinari/material-ui,oliviertassinari/material-ui,rscnt/material-ui,oliviertassinari/material-ui,mui-org/material-ui,rscnt/material-ui,rscnt/material-ui,mui-org/material-ui