diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index cd137ea37201c9..b1bcd64a6b8b9c 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -1,4 +1,4 @@
-# Contributing Guidelines
+x# Contributing Guidelines
 
 Welcome to WordPress' Gutenberg project! We hope you join us in creating the future platform for publishing; all are welcome here.