Make highlight.js example clearer

Provide the missing step to actually use the library. Should be helpful for a newbie.

diff --git a/docs/content/extras/highlighting.md b/docs/content/extras/highlighting.md
index 7c5ce3fa3c8c59aa7539ef59bc8245329e1039bd..a90a72451a3f334d623486448542a229621bbe5b 100644 (file)
--- a/docs/content/extras/highlighting.md
+++ b/docs/content/extras/highlighting.md
@@ -89,6 +89,7 @@ as `header.html` or `header.includes.html`. Simply add:
 
     <link rel="stylesheet" href="https://yandex.st/highlightjs/8.0/styles/default.min.css">
     <script src="https://yandex.st/highlightjs/8.0/highlight.min.js"></script>
+    <script>hljs.initHighlightingOnLoad();</script>
 
 You can of course use your own copy of these files, typically in `./static/`.