diff --git a/README.md b/README.md
index 04485e0..e69ea5a 100644
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ npm install
 npx @11ty\eleventy
 ```
 
-Content goes in the `content` folder. Anything with a `site_nav` property will be added to the site navigation. Blog posts go into the `content\blog` folder.
+Content goes in the `content` folder. Anything with a `nav_order` property will be added to the site navigation. Blog posts go into the `content\blog` folder.
 
 You can indicate that a post is part of a series by giving it a `series` property with a name and the number of this post in the series: