pytorch

60e37a6e - Update sgd doc to insist on momentum buffer initial value (#92111)

Update sgd doc to insist on momentum buffer initial value (#92111) Following the discussion in https://github.com/pytorch/pytorch/pull/91108 Pull Request resolved: https://github.com/pytorch/pytorch/pull/92111 Approved by: https://github.com/soumith, https://github.com/janeyx99