diff --git a/examples/with-markdoc/README.md b/examples/with-markdoc/README.md
index b81a5a557..8d9492bdb 100644
--- a/examples/with-markdoc/README.md
+++ b/examples/with-markdoc/README.md
@@ -37,7 +37,7 @@ Inside of your Astro project, you'll see the following folders and files:
 └── tsconfig.json
 ```
 
-Markdoc can be used in content collections with the `.mdoc` extension. See `content/docs/` for an example.
+Markdoc can be used in content collections _exclusively_ with the `.mdoc` extension. See `content/docs/` for an example file.
 
 You can also apply Astro components and server-rendered UI components (React, Vue, Svelte, etc) to your Markdoc files. See `src/content/DocsContent.astro` for an example.