docs: Fix typo and space

[shahneil88]

Summary of Changes

Fix a small typo in the documentation and remove the word below as there was no where clause pointing in the documentation.
Include a summary of changes then remove this line

Tests

What tests did you add or modify and why? If no tests were added or modified, explain why. Remove this line

Documentation

Modified documentation to fix a typo
What documentation did you add or modify and why? Add any relevant links then remove this line

CheckList

Make sure you have checked all steps below to ensure a timely review.

• PR title addresses the issue accurately and concisely. Example: "Updates the version of Flask to v1.0.2"
  • In case you are adding a dependency, check if the license complies with the ASF 3rd Party License Policy.
• PR includes a summary of changes.
• PR adds unit tests, updates existing unit tests, OR documents why no test additions or modifications are needed.
• In case of new functionality, my PR adds documentation that describes how to use it.
  • All the public functions and the classes in the PR contain docstrings that explain what it does
• PR passes make test

[feng-tao]

thanks @shahneil88 !