Update docs/example-react-hooks-useReducer.md

Co-Authored-By: Alex Krolick <alexkrolick@users.noreply.github.com>

Author: iqbal125

docs/example-react-hooks-useReducer.md

@@ -28,7 +28,7 @@ function reducer(state = initialState, action) {
 }
 
 const Example = () => {
- const [reducerState, dispatch] = useReducer(Reducer, initialState)
+ const [state, dispatch] = useReducer(reducer, initialState)
 
  const dispatchActionSuccess = () => {
  dispatch({ type: 'SUCCESS' })