Update Docstring for PointerTensor (#3379)
Update Docstring for PointerTensor (#3379)

Co-authored-by: Tejas Jain <8c7f488bc5b5981730d34651f76d0389ecc6a01b@users.noreply.github.com>
OpenMined/PySyft,OpenMined/PySyft,OpenMined/PySyft,OpenMined/PySyft