Another bad link that turned up. (#526)

Author: davidkonigsberg

fern/products/docs/pages/seo/configuring-slugs.mdx

@@ -94,7 +94,7 @@ landing-page:
 ```
 
 #### Override a page's slug
-You can set the exact slug of a page within its frontmatter. [You can read more about the frontmatter configuration here](/learn/docs/content/frontmatter#slug). 
+You can set the exact slug of a page within its frontmatter. [You can read more about the frontmatter configuration here](/learn/docs/configuration/page-level-settings#slug). 
 
 ```yaml title="docs.yml"
 navigation: