Fix typo in `index.md`

[garysassano]

Description

Fixed typo in index.md

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• [ ] Understand the repository structure
• [ ] Add yourself as an author
• [ ] Add your pattern
• [ ] Add a great SVG diagram for your pattern
• [ ] Read our general contribution guidelines
• [ ] Read our code of conduct
• [ ] Confirm your pattern frontmatter lints correctly. i.e. run npm install && npm run lint locally from your dev environment

[containers-aws-bot]

container-patterns PR Release triggered by garysassano

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Commit ref: patch-1 Commit sha: 4da5fdf3d46aa8ae0dd166cbb8fdbacf84289e04

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[containers-aws-bot]

📄 PR has been closed.

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