Fix link to recipes (#2235)

content/docs/addons-test-utils.md

@@ -124,7 +124,7 @@ it('can render and update a counter', () => {
 
 - Don't forget that dispatching DOM events only works when the DOM container is added to the `document`. You can use a library like [React Testing Library](https://testing-library.com/react) to reduce the boilerplate code.
 
-- The [`recipes`](/docs/recipes.html) document contains more details on how `act()` behaves, with examples and usage.
+- The [`recipes`](/docs/testing-recipes.html) document contains more details on how `act()` behaves, with examples and usage.
 
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