Update README.md

Author: RobPruzan

README.md

@@ -174,7 +174,7 @@ The issue is that component props are compared by reference, not value. This is
 
 However, this makes it easy to accidentally cause unnecessary renders, making the app slow. Even in production apps, with hundreds of engineers, can't fully optimize their apps (see [GitHub](https://github.com/aidenybai/react-scan/blob/main/.github/assets/github.mp4), [Twitter](https://github.com/aidenybai/react-scan/blob/main/.github/assets/twitter.mp4), and [Instagram](https://github.com/aidenybai/react-scan/blob/main/.github/assets/instagram.mp4)).
 
-This often comes down to props that update in reference, like callbacks or object values. For example, the `onClick` function and `style` object are re-created on every render, causing `ExpensiveComponent` to slow down the app:
+This often comes down to props that update in reference, like callbacks or object values. For example, the `onClick` function and `style` object are re-created on every render, causing `ExpensiveComponent` to re-render and slow down the app, even if `ExpensiveComponent` was wrapped in React.memo:
 
 ```jsx
 <ExpensiveComponent onClick={() => alert("hi")} style={{ color: "purple" }} />