diff --git a/src/components/Sidebar/index.tsx b/src/components/Sidebar/index.tsx
index a1e97908a..34e75ca2d 100644
--- a/src/components/Sidebar/index.tsx
+++ b/src/components/Sidebar/index.tsx
@@ -4,6 +4,7 @@ import { useDocsData } from '@docusaurus/plugin-content-docs/client'
 
 const Sidebar: FC = () => {
   React.useEffect(() => {
+    // remove original sidebar
     const main = document.getElementById('new-main')
     const sidebars = main.getElementsByTagName('aside')
     Array.from(sidebars).map((sidebar) => {