diff --git a/src/js/06-code.js b/src/js/06-code.js
index b43e5a40..9e4e0557 100644
--- a/src/js/06-code.js
+++ b/src/js/06-code.js
@@ -36,7 +36,7 @@ import { createElement } from './modules/dom'
 })()
 
 var cleanCallouts = function (code) {
-  return code.replace(/[ |\t]+\n/g, '\n').trimEnd()
+  return code.replace(/[ \t]+\n/g, '\n').trimEnd()
 }
 
 document.addEventListener('DOMContentLoaded', function () {