diff --git a/docs/data/joy/customization/theme-colors/PaletteThemeViewer.js b/docs/data/joy/customization/theme-colors/PaletteThemeViewer.js
index 4a85f8c55e5c51..74b6d668f61122 100644
--- a/docs/data/joy/customization/theme-colors/PaletteThemeViewer.js
+++ b/docs/data/joy/customization/theme-colors/PaletteThemeViewer.js
@@ -177,7 +177,7 @@ export default function PaletteThemeViewer() {
                     color="neutral"
                     textColor="inherit"
                     fontSize="sm"
-                    fontWeight={500}
+                    fontWeight="md"
                     textAlign="left"
                     onClick={() => copy(token)}
                     endDecorator={
diff --git a/docs/data/joy/customization/theme-colors/PaletteThemeViewer.tsx b/docs/data/joy/customization/theme-colors/PaletteThemeViewer.tsx
index 842cd1fe75cc8a..c33c1e9321f6a2 100644
--- a/docs/data/joy/customization/theme-colors/PaletteThemeViewer.tsx
+++ b/docs/data/joy/customization/theme-colors/PaletteThemeViewer.tsx
@@ -176,7 +176,7 @@ export default function PaletteThemeViewer() {
                     color="neutral"
                     textColor="inherit"
                     fontSize="sm"
-                    fontWeight={500}
+                    fontWeight="md"
                     textAlign="left"
                     onClick={() => copy(token)}
                     endDecorator={