diff --git a/README.md b/README.md
index 112d383..aab3d8c 100644
--- a/README.md
+++ b/README.md
@@ -31,7 +31,7 @@ node kompilo
 it will generate a `kriptoptlet` file containing the text to copy/paste in a new bookmark's url part.
 
 Or you can use the online vversion (not secure):
-```
+```html
 <a href="javascript: win=window.open('','','titlebar=no,location=no'); fetch('https://git.p2p.legal/dig/kriptopter/raw/master/kriptopter').then(res=>res.text()).then(app=>win.document.write(app)  ))">bookmarklet online</a>
 ```