refactor: correct typos in `GetPortError` message

[danielroe]

🔗 Linked issue

❓ Type of change

• [ ] 📖 Documentation (updates to the documentation, readme, or JSdoc annotations)
• [x] 🐞 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[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

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

Additional details and impacted files

```diff @@ 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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