Arg is optional

3 years ago · e4aa5076c2
1 changed files with 1 additions and 1 deletions
--- 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>