Fix the bucketization wrong doc for right argument (#45684)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/45684
Test Plan: Imported from OSS
Reviewed By: zou3519
Differential Revision: D24057996
Pulled By: glaringlee
fbshipit-source-id: 3db1c24f3cae9747effa4b1f3c5c3baf6888c9a1
