From 401495bcd5f0d5d72429fb6ada1c3e8007fbb77a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Florian=20H=C3=A4mmerle?= <lusbuab@users.noreply.github.com>
Date: Fri, 21 Dec 2018 03:20:12 +0100
Subject: [PATCH] fix custom document example (#5928)

---
 packages/next/README.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/next/README.md b/packages/next/README.md
index d28ef38b..9b13ded4 100644
--- a/packages/next/README.md
+++ b/packages/next/README.md
@@ -1138,7 +1138,7 @@ that need to wrap the application to properly work with server-rendering. 🚧
 ```js
 import Document from 'next/document'
 
-export default MyDocument extends Document {
+export default class MyDocument extends Document {
   static async getInitialProps(ctx) {
     const originalRenderPage = ctx.renderPage