How do I leave a comment on a model?

I don’t see a button or comment box for this ability. I’m lookiing at this one specifically:
https://models.makewithtech.com/customize/type/S3/download/MOD230125A2A4A_CustomizableRemovableHandleforAllenHexWrenchKey_Customizable_handle.scad/public/name/Customizable,%20Removable%20Handle%20%20.../image/id/MOD230125A2A4A/zip_location/model_id