docs: variable naming adjustments

[andifahruddinakas]

Description
Explain what you have changed, and why.

Checklist:

• Securely signed commits
• Component(s) with PHPDoc blocks, only if necessary or adds value
• Unit testing, with >80% coverage
• User guide updated
• Conforms to style guide

[paulbalandan]

Hi @andifahruddinakas, thanks for your PR. However, we're blocked from merging this because the commits are not GPG-signed. Can you sign them?

[andifahruddinakas]

Hi @andifahruddinakas, thanks for your PR. However, we're blocked from merging this because the commits are not GPG-signed. Can you sign them?

Yes, of course

[paulbalandan]

Closing, reopening to trigger CI checks

[andifahruddinakas]

Thank You @paulbalandan