fix: Small doc corrections

[DMallare]

---

Small doc corrections:

1. Correction to the router_service description and small style update to the supergraph_service description to keep them consistent
2. Update the command to run code coverage locally

Checklist

Complete the checklist (and note appropriate exceptions) before the PR is marked ready-for-review.

• PR description explains the motivation for the change and relevant context for reviewing
• PR description links appropriate GitHub/Jira tickets (creating when necessary)
• Changeset is included for user-facing changes
• Changes are compatible¹
• Documentation² completed
• Performance impact assessed and acceptable
• Metrics and logs are added³ and documented
• Tests added and passing⁴
  • Unit tests
  • Integration tests
  • Manual tests, as necessary

Exceptions

Note any exceptions here

Notes

Footnotes

1. It may be appropriate to bring upcoming changes to the attention of other (impacted) groups. Please endeavour to do this before seeking PR approval. The mechanism for doing this will vary considerably, so use your judgement as to how and when to do this. ↩

2. Configuration is an important part of many changes. Where applicable please try to document configuration examples. ↩

3. A lot of (if not most) features benefit from built-in observability and debug-level logs. Please read this guidance on metrics best-practices. ↩

4. Tick whichever testing boxes are applicable. If you are adding Manual Tests, please document the manual testing (extensively) in the Exceptions. ↩

[apollo-librarian]

✅ Docs preview ready

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File Changes

0 new, 2 changed, 0 removed

* (developer-tools)/kotlin/v5/index.mdx
* (developer-tools)/kotlin/v5/advanced/compiler-plugins.mdx

Build ID: 3da7ec8995f1d5628ff34390

URL: https://www.apollographql.com/docs/deploy-preview/3da7ec8995f1d5628ff34390

[github-actions]

@DMallare, please consider creating a changeset entry in /.changesets/. These instructions describe the process and tooling.