[docs] Fix Gatsby sample config in CSS variables (#34024)

mui · Aug 29, 2022 · 0640763 · 0640763
1 parent 81142e1
commit 0640763
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/docs/data/material/experimental-api/css-variables/css-variables.md b/docs/data/material/experimental-api/css-variables/css-variables.md
@@ -194,7 +194,11 @@ import React from 'react';
 import { getInitColorSchemeScript } from '@mui/material/styles';
 
 export function onRenderBody({ setPreBodyComponents }) {
-  setPreBodyComponents([getInitColorSchemeScript()]);
+  setPreBodyComponents([
+    <React.Fragment key="mui-init-color-scheme-script">
+      {getInitColorSchemeScript()}
+    </React.Fragment>,
+  ]);
 }
 ```