fix: typo in 02.state-optimization/README.mdx

Fix bug where `setState` does not return a new state.
epicweb-dev · Mar 30, 2024 · 9fb56a3 · 9fb56a3
1 parent 5512042
commit 9fb56a3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/exercises/02.state-optimization/README.mdx b/exercises/02.state-optimization/README.mdx
@@ -18,9 +18,9 @@ const [state, setState] = useState({ count: 0 })
 
 // ...
 setState({ count: 0 }) // <-- will trigger a rerender
-setState(previousState => {
+setState(previousState => ({
 	count: previousState.count
-}) // <-- will trigger a rerender
+})) // <-- will trigger a rerender
 setState(previousState => previousState) // <-- will not trigger a rerender
 ```