diff --git a/fern/products/docs/pages/customization/frontmatter.mdx b/fern/products/docs/pages/customization/frontmatter.mdx
index cbe513256..75d7ca792 100644
--- a/fern/products/docs/pages/customization/frontmatter.mdx
+++ b/fern/products/docs/pages/customization/frontmatter.mdx
@@ -16,7 +16,7 @@ subtitle: Set titles, add meta descriptions, and more
slug: frontmatter
description: Use frontmatter to set the page title, subtitle, slug, meta description, its OpenGraph image, and a URL to suggest edits.
keywords: frontmatter, seo, customization, metadata
-og:sitename: Your Company Inc.
+og:site_name: Your Company Inc.
og:title: SEO Metadata Title
---
```
diff --git a/fern/snippets/seo-metadata-page.mdx b/fern/snippets/seo-metadata-page.mdx
index efd950a1a..079e11730 100644
--- a/fern/snippets/seo-metadata-page.mdx
+++ b/fern/snippets/seo-metadata-page.mdx
@@ -1,3 +1,7 @@
+
+Only the documented SEO fields are added to the HTML `` as meta tags. Custom frontmatter fields won't automatically appear in your page metadata. To add custom metadata, use [custom JavaScript](/learn/docs/customization/custom-css-js#custom-javascript).
+
+
```mdx
---