[Easy Review] Fix ProcessGroupRpcBackendOptions Doc (#39787)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/39787
Test Plan: Imported from OSS
Reviewed By: lw
Differential Revision: D21975590
Pulled By: mrshenli
fbshipit-source-id: b0f9c3b15fdd32df8f64ea64b05fd65ec793f2b2
