diff --git a/atom.xml b/atom.xml
index 8a1a28c9b03..96c9681c00b 100644
--- a/atom.xml
+++ b/atom.xml
@@ -1,5 +1,5 @@
 ---
-layout: nil
+layout: null
 ---
 
 <?xml version="1.0" encoding="utf-8"?>