diff --git a/feed.xml b/feed.xml
index 5f021dd..214be81 100644
--- a/feed.xml
+++ b/feed.xml
@@ -1,5 +1,5 @@
 ---
-layout: nil
+layout: null
 ---
 <?xml version="1.0" encoding="utf-8"?>
 <feed xmlns="http://www.w3.org/2005/Atom">