docs: typos

[pdecat]

Description

Fix some typos in benchmark docs.

Motivation and Context

N/A

How has this been tested?

N/A

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.

[chandr-andr]

Hello! Thanks for the PR! Approved