fix: typos in error message, metrics descriptions and comments

[cuinix]

Description

fix some comments

Motivation

[Explain why these changes are necessary or beneficial. Discuss any problems or limitations with the current implementation that this pull request addresses.]

Related Issue(s)

[Cite any related issues or feature requests here, using GitHub issue links.]

Proposed Changes

[List the specific changes and additions introduced by this pull request.]

Screenshots (if applicable)

[Add any relevant screenshots or animated GIFs to showcase the changes.]

Additional Notes

[Provide any additional information or context that may be helpful for the reviewer.]

Checklist

• [x] The code follows the project's coding conventions and style guidelines.
• [x] All tests related to the changes have passed successfully.
• [x] Documentation has been updated to reflect the changes (if applicable).
• [x] All new and existing unit tests have passed.
• [x] I have self-reviewed my code and ensured its quality.
• [x] I have added/updated necessary comments to aid understanding.

Reviewer Checklist

• [ ] Code has been reviewed for quality and adherence to guidelines.
• [ ] Tests have been reviewed and are sufficient to validate the changes.
• [ ] Documentation has been reviewed and is up to date.
• [ ] Any questions or concerns have been addressed.

[CLAassistant]

All committers have signed the CLA.

[CLAassistant]

Thank you for your submission! We really appreciate it. Like many open source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution.
_{You have signed the CLA already but the status is still pending? Let us recheck it.}

[cuinix]

Anything need i do?

[folex]

Hello, @cuinix! Sorry for the long response.

Could you kindly resolve conflicts, so we run the tests and accept the PR? Thank you!