Fixed spacing issue in AI partner description.
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Documentation**
* Improved readability by fixing a minor punctuation/spacing issue in
the project’s introductory text (added a space after a comma).
* Polished wording to better reflect professional tone without altering
meaning.
* No changes to functionality, configuration, or user workflows.
* No impact on APIs, interfaces, or compatibility.
* No additional steps required for users; purely a documentation
refinement.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
