diff --git a/README.md b/README.md
index dc98e7fb..9c26b437 100644
--- a/README.md
+++ b/README.md
@@ -71,7 +71,7 @@ Special syntax is available for adding attributes to Markdown elements. This is
 </section>
 ```
 
-### Slide Attributes
+#### Slide Attributes
 
 Special syntax is available for adding attributes to the slide `<section>` elements generated by your Markdown.