Write this in it but it seems that the code runs, how can I make it not run

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Write this in it but it seems that the code runs, how can I make it not run
_posts .md file

# main links
main:
- title: "Quick-Start Guide"
url: https://mmistakes.github.io/minimal-mistakes/docs/quick-start-guide/
- title: "About"
url: https://mmistakes.github.io/minimal-mistakes/about/
- title: "year-archive"
url: /year-archive/
- title: "Sample Collections"
url: /collection-archive/
- title: "Sitemap"
url: /sitemap/
- title: "tags"
url: /tags/
- title: "Great History"
url: /Great-History/