Typo in react-testing-library API (testing-library#17)

While I was reading the API documentation about react-testing-library, I noticed this small typo that can lead to errors when copy-pasted. Thanks for this lib and doc 😉

Author: matthis-d

docs/react-testing-library/api.md

@@ -32,7 +32,7 @@ afterEach(cleanup)
 
 test('renders a message', () => {
  const { container, getByText } = render(<Greeting />)
- expect(getbyText('Hello, world!')).toBeInTheDocument()
+ expect(getByText('Hello, world!')).toBeInTheDocument()
  expect(container.firstChild).toMatchInlineSnapshot(`
  <h1>Hello, World!</h1>
  `)