Update schema.md

[ialdg]

Hi.
This modification proposal is intended to correct a possible mistake, in regard to how the full qualified name of a seed would be built. I think there's a mistake since the present name uses the name of the subfolder as the seed model name. Regards.
IL.

What are you changing in this pull request and why?

Checklist

• Review the Content style guide so my content adheres to these guidelines.
• For docs versioning, review how to version a whole page and version a block of content.
• Add a checklist item for anything that needs to happen before this PR is merged, such as "needs technical review" or "change base branch."

Adding or removing pages (delete if not applicable):

• Add/remove page in website/sidebars.js
• Provide a unique filename for new pages
• Add an entry for deleted pages in website/vercel.json
• Run link testing locally with npm run build to update the links that point to deleted pages

[vercel]

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[matthewshaver]

Thank you @ialdg Good catch!