diff --git a/.changeset/good-beers-worry.md b/.changeset/good-beers-worry.md
new file mode 100644
index 0000000000..d81a24a0f5
--- /dev/null
+++ b/.changeset/good-beers-worry.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/markdown-support': patch
+---
+
+Expose `html` to `Astro.fetchContent` (#571)
diff --git a/docs/reference/api-reference.md b/docs/reference/api-reference.md
index e7f6059012..0f04682bfa 100644
--- a/docs/reference/api-reference.md
+++ b/docs/reference/api-reference.md
@@ -41,8 +41,9 @@ const data = Astro.fetchContent('../pages/post/*.md'); // returns an array of po
     description: '',
    **/
     astro: {
-      headers: [], // TODO: document what this means
-      source: '' // raw source of the markdown file
+      headers: [],  // an array of h1...h6 elements in the markdown file
+      source: ''    // raw source of the markdown file
+      html: ''      // rendered HTML of the markdown file
     },
     url: '' // the rendered path
   }[]
diff --git a/packages/markdown-support/src/index.ts b/packages/markdown-support/src/index.ts
index f311efa7c3..f3ceda1a11 100644
--- a/packages/markdown-support/src/index.ts
+++ b/packages/markdown-support/src/index.ts
@@ -68,7 +68,7 @@ export async function renderMarkdown(content: string, opts?: MarkdownRenderingOp
   }
 
   return {
-    astro: { headers, source: content },
+    astro: { headers, source: content, html: result.toString() },
     content: result.toString(),
   };
 }