diff --git a/.gitignore b/.gitignore
index 46d9d8d48..1edbb8083 100644
--- a/.gitignore
+++ b/.gitignore
@@ -32,4 +32,7 @@ Temporary Items
 
 # End of https://www.gitignore.io/api/macos
 
-.vscode
\ No newline at end of file
+.vscode
+
+# customize Headers whiteout touch git submodule.
+layouts/partials/extra-head.html