diff --git a/content/templates/output-formats.md b/content/templates/output-formats.md
index 1448a45ec..1a35bc0bf 100644
--- a/content/templates/output-formats.md
+++ b/content/templates/output-formats.md
@@ -59,6 +59,8 @@ suffix = "htm"
 mediaType = "text/html"
 ```
 
+**Note** that for the above to work, you also need to add an`outputs` definition in your site config.
+
 ## Output Formats
 
 Given a media type and some additional configuration, you get an `Output Format`: