docs: fix typo in examples

[Barbapapazes]

🔗 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

📝 Checklist

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

[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (6460fdd) 77.80% compared to head (706a36f) 77.80%.

Files	Patch %	Lines
examples/nested-router.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #631   +/-   ##
=======================================
  Coverage   77.80%   77.80%           
=======================================
  Files          47       47           
  Lines        4281     4281           
  Branches      610      610           
=======================================
  Hits         3331     3331           
  Misses        933      933           
  Partials       17       17           

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