Fix overlapping keywords (#34142)
Summary:
This commit fixes overlapping keywords in the CPP Docs
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34142
Test Plan: Imported from GitHub, without a `Test Plan:` line.
Differential Revision: D20319949
Pulled By: yf225
fbshipit-source-id: e7bb2efdc286c85792c6f18a260c3bba33c54008
