fix(learn): add missing word

[sajadtorkamani]

Description

Validation

Related Issues

Check List

• I have read the Contributing Guidelines and made commit messages that follow the guideline.
• I have run pnpm format to ensure the code follows the style guide.
• I have run pnpm test to check if all tests are passing.
• I have run pnpm build to check if the website builds without errors.
• I've covered new added functionality with unit tests if necessary.

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Name	Status	Preview	Updated (UTC)
nodejs-org	✅ Ready (Inspect)	Visit Preview	Jun 26, 2025 5:38pm

[Copilot]

Pull Request Overview

This pull request improves the wording in the security-related section of the debugging documentation.

• Updated the sentence structure to clarify the security recommendation regarding firewall and access control usage.

[avivkeller]

Requesting fast-track

[github-actions]

Lighthouse Results

URL	Performance	Accessibility	Best Practices	SEO	Report
/en	🔴 73	🟢 100	🟢 100	🟢 91	🔗
/en/about	🟢 100	🟢 96	🟢 100	🟠 82	🔗
/en/about/previous-releases	🟢 99	🟢 96	🟢 100	🟠 83	🔗
/en/download	🟢 98	🟢 100	🟢 100	🟢 91	🔗
/en/blog	🟢 100	🟢 100	🟢 96	🟢 92	🔗

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 75.47%. Comparing base (49d6584) to head (fd7e608).
Report is 1 commits behind head on main.

✅ All tests successful. No failed tests found.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7897   +/-   ##
=======================================
  Coverage   75.47%   75.47%           
=======================================
  Files         101      101           
  Lines        8311     8311           
  Branches      218      218           
=======================================
  Hits         6273     6273           
  Misses       2036     2036           
  Partials        2        2           

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[avivkeller]

Thanks, @sajadtorkamani!