Update docs/react-testing-library/example-intro.mdx

Co-authored-by: Tim Deschryver <28659384+timdeschryver@users.noreply.github.com>

Author: kettanaito

docs/react-testing-library/example-intro.mdx

@@ -72,7 +72,7 @@ See the following sections for a detailed breakdown of the test
 
 ```jsx title="__tests__/fetch.test.jsx"
 import React from 'react'
-import {httpm, HttpResponse} from 'msw'
+import {http, HttpResponse} from 'msw'
 import {setupServer} from 'msw/node'
 import {render, fireEvent, screen} from '@testing-library/react'
 import '@testing-library/jest-dom'