diff --git a/docs/3-packages/04-markdown.md b/docs/3-packages/04-markdown.md
index 25838e9f4..60977b4df 100644
--- a/docs/3-packages/04-markdown.md
+++ b/docs/3-packages/04-markdown.md
@@ -20,7 +20,7 @@ $markdown = new Markdown();
 
 $parsed = $markdown->parse(file_get_contents('README.md'));
 
-echo $parsed->frontMatter['title'];
+echo $parsed->frontmatter['title'];
 echo $parsed->html;
 ```