Fix Typo in `CONTRIBUTING.md`

[VitalikBerashvili]

Pull Request Title: Fix Typo in CONTRIBUTING.md - "descrption" to "description"

Summary:

This pull request corrects a typo in the CONTRIBUTING.md file:

• Replaced "descrption" with "description" to enhance the clarity and accuracy of the contributing guidelines.

Changes Made:

• CONTRIBUTING.md:
  • Corrected the typo in the section explaining how to submit a pull request.

Files Changed:

• CONTRIBUTING.md

Testing:

• This is a documentation-only change; no testing required for functionality.

Additional Notes:

• Accurate and clear guidelines are essential for encouraging quality contributions from developers.
• This small change ensures a more professional and polished project repository.

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