fix: change 'auto-generates' to 'automatically generates' per Vale

Co-Authored-By: Chris McDonnell <[email protected]>

Author: devin-ai-integration[bot]

fern/products/docs/pages/seo/metadata.mdx

@@ -9,7 +9,7 @@ Fern automatically generates SEO metadata for every page in your documentation s
     The metadata configurations on this page are for SEO and social tags that aren't visible to users. For visible footer links, see [footer links configuration](/learn/docs/configuration/what-is-docs-yml#footer-links-configuration).
 </Note>
 
-## What Fern auto-generates
+## What Fern automatically generates
 
 Fern automatically generates the following SEO metadata for every page in your documentation: