refactor: correct typos in GetPortError message

[danielroe]

🔗 Linked issue

❓ Type of change

• 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• 🐞 Bug fix (a non-breaking change that fixes an issue)
• 👌 Enhancement (improving an existing functionality like performance)
• ✨ New feature (a non-breaking change that adds functionality)
• 🧹 Chore (updates to the build process or auxiliary tools and libraries)
• ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

A couple of small typos.

📝 Checklist

• I have linked an issue or discussion.
• I have updated the documentation accordingly.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9369f45) 85.01% compared to head (1101c9d) 84.93%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #77      +/-   ##
==========================================
- Coverage   85.01%   84.93%   -0.08%     
==========================================
  Files           5        5              
  Lines         387      385       -2     
  Branches       48       48              
==========================================
- Hits          329      327       -2     
  Misses         58       58              

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[pi0]

Thanks!