From 6472717eaa1441b1f2315280c18712f60eeb6acf Mon Sep 17 00:00:00 2001
From: Pete Gonzalez <4673363+octogonz@users.noreply.github.com>
Date: Thu, 13 Feb 2020 13:23:18 -0800
Subject: [PATCH] Improve example for invoking highlight.js

---
 docs/USING_ADVANCED.md | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/docs/USING_ADVANCED.md b/docs/USING_ADVANCED.md
index ee8b3126..81df205b 100644
--- a/docs/USING_ADVANCED.md
+++ b/docs/USING_ADVANCED.md
@@ -20,8 +20,10 @@ const marked = require('marked');
 // `highlight` example uses `highlight.js`
 marked.setOptions({
   renderer: new marked.Renderer(),
-  highlight: function(code) {
-    return require('highlight.js').highlightAuto(code).value;
+  highlight: function(code, language) {
+    const hljs = require('highlight.js');
+    const validLanguage = hljs.getLanguage(language) ? language : 'plaintext';
+    return hljs.highlight(validLanguage, code).value;
   },
   pedantic: false,
   gfm: true,