diff --git a/docs/assets/js/common.js b/docs/assets/js/common.js
index deca34586..517d15a3f 100644
--- a/docs/assets/js/common.js
+++ b/docs/assets/js/common.js
@@ -78,6 +78,7 @@
 
         editor = monaco.editor.create($codeMirror, {
             theme: 'vs-dark',
+            folding: true,
             automaticLayout: true,
             quickSuggestions: {
                 other: true,