diff --git a/README.md b/README.md
index 41c0e92b7..0d4a67a91 100644
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@ CDN links
 - [ES5 Minified (UMD)](https://unpkg.com/30-seconds-of-code/dist/_30s.es5.min.js)
 
 <details>
+<summary>Details</summary>
 
 **Browser**