diff --git a/README.md b/README.md
index 8f1b078..67585a7 100644
--- a/README.md
+++ b/README.md
@@ -81,6 +81,7 @@ Postupováno podle návodu [Rename the `~/.local/lib/python3.8/site-packages/pkg
 - https://gitlab.com/faho/kwin-tiling/
 
 
+<details>
 <summary>`{… cmd}$` explanation</summary>
 
 This is [mdexpr](https://github.com/jaandrle/mdexpr) syntax. This document uses: