From e4aa5076c2f8b9bf2b035c24a28cb80e6166333f Mon Sep 17 00:00:00 2001
From: Dan Abramov <dan.abramov@gmail.com>
Date: Tue, 13 Sep 2022 17:48:40 +0100
Subject: [PATCH] Arg is optional

---
 beta/src/content/apis/react/useReducer.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/beta/src/content/apis/react/useReducer.md b/beta/src/content/apis/react/useReducer.md
index adb72c0b..90717246 100644
--- a/beta/src/content/apis/react/useReducer.md
+++ b/beta/src/content/apis/react/useReducer.md
@@ -7,7 +7,7 @@ title: useReducer
 `useReducer` is a React Hook that lets you add a [reducer](/learn/extracting-state-logic-into-a-reducer) to your component.
 
 ```js
-const [state, dispatch] = useReducer(reducer, initialArg, init)
+const [state, dispatch] = useReducer(reducer, initialArg, init?)
 ```
 
 </Intro>