From 2d7f4bf129d331871966c2fd7324da63b18e2196 Mon Sep 17 00:00:00 2001
From: Josh-Cena <sidachen2003@gmail.com>
Date: Tue, 26 Oct 2021 14:53:22 +0800
Subject: [PATCH] Fixup

---
 packages/docusaurus-theme-classic/src/theme/CodeBlock/index.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/docusaurus-theme-classic/src/theme/CodeBlock/index.tsx b/packages/docusaurus-theme-classic/src/theme/CodeBlock/index.tsx
index e398227db3c0a..4dd1b83c4bfd2 100644
--- a/packages/docusaurus-theme-classic/src/theme/CodeBlock/index.tsx
+++ b/packages/docusaurus-theme-classic/src/theme/CodeBlock/index.tsx
@@ -137,7 +137,7 @@ export default function CodeBlock({
 
                   const lineProps = getLineProps({line, key: i});
 
-                  if (highlightLines.includes(i + 1)) {
+                  if (highlightLines.includes(i)) {
                     lineProps.className += ' docusaurus-highlight-code-line';
                   }