diff --git a/exercises/01.use-reducer/05.problem.traditional/README.mdx b/exercises/01.use-reducer/05.problem.traditional/README.mdx
index f70adb3d..194c4a83 100644
--- a/exercises/01.use-reducer/05.problem.traditional/README.mdx
+++ b/exercises/01.use-reducer/05.problem.traditional/README.mdx
@@ -4,7 +4,7 @@
 
 Update your reducer so I can do this:
 
-```javascript
+```tsx
 const [state, dispatch] = useReducer(countReducer, {
 	count: initialCount,
 })