diff --git a/header-folder.js b/header-folder.js
index 4567d68..355c041 100644
--- a/header-folder.js
+++ b/header-folder.js
@@ -1,3 +1,4 @@
+// @license magnet:?xt=urn:btih:90dc5c0be029de84e523b9b3922520e79e0e6f08&dn=cc0.txt CC0-1.0
 class Header extends HTMLElement {
   constructor() {
     super();
@@ -27,4 +28,5 @@ class Header extends HTMLElement {
 }
 
 customElements.define('header-component', Header);
-customElements.define('header-component', Header);
\ No newline at end of file
+customElements.define('header-component', Header);
+// @license-end
\ No newline at end of file