Fix grammar in sub-router section

[Abdullah73k]

Summary by CodeRabbit

• Documentation
  • Improved wording in the migration guide to enhance readability and flow.
  • Clarified the Subrouter section for more coherent comparison and easier understanding when migrating routing concepts.

[coderabbitai]

Walkthrough

Single-line editorial correction in the migration guide: the Subrouter sentence was rephrased into one coherent clause describing Elysia's subrouter behavior; no functional code changes.

Changes

Cohort / File(s)	Summary
Documentation Update docs/migrate/from-express.md	Fixed wording in the "Subrouter" section by merging two fragments into one coherent sentence; purely textual change (+1/-1).

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

Possibly related PRs

• docs: Minor grammatical/rephrasing changes to Express migration doc #753: Additional editorial edits to docs/migrate/from-express.md touching the same subrouter wording.

Poem

🐰 A dot removed, a sentence grown,
Words hop smoother, nicely sewn,
Docs now skip and lightly prance,
A rabbit cheers the reader's glance,
✨

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately describes the main change: fixing grammar in the sub-router section of the documentation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[coderabbitai]

Actionable comments posted: 1

🤖 Fix all issues with AI agents

In `@docs/migrate/from-express.md`:
- Line 177: The sentence contains redundant phrasing ("plug-and-play component
that can be plug and play together"); update the line comparing express.Router()
and Elysia to a concise alternative such as: "Express uses a dedicated
express.Router() for declaring a sub-router while Elysia treats every instance
as a plug-and-play component." Replace the redundant phrase with one of the
suggested alternatives (recommended: the single concise form) so the comparison
mentions express.Router() and Elysia clearly and reads smoothly.