diff --git a/website/docs/upgrading.mdx b/website/docs/upgrading.mdx
index 3f9d15e6f..844d9838c 100644
--- a/website/docs/upgrading.mdx
+++ b/website/docs/upgrading.mdx
@@ -195,7 +195,7 @@ In case you are using the `components` prop, you may need to update your code, a
   <DayPicker
     components={{
 -     IconLeft: MyLeftIcon,
-+     Chevron: (props) {
++     Chevron: (props) => {
 +        if (props.orientation === "left") {
 +          return <MyLeftIcon {...props} />;
 +        }