Fix index_put doc. (#48673)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/48673
fixes #48642
Test Plan: Imported from OSS
Reviewed By: navahgar
Differential Revision: D25257078
Pulled By: ailzhang
fbshipit-source-id: e5ebd6e07aafb262989fc12131546037fed8ebf6
