[quant][docs] Move some of the descriptions out of codeblock (#89795)
Summary:
This is to make sure the description texts are wrapping around code, instead of being displayed as a single line
Test Plan:
visual inspections
Reviewers:
Subscribers:
Tasks:
Tags:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/89795
Approved by: https://github.com/andrewor14
