Update ssr-and-hydration.md (pmndrs#2353)

* Update ssr-and-hydration.md

Small typo

* Update docs/guides/ssr-and-hydration.md

Co-authored-by: Blazej Sewera <code@sewera.dev>

---------

Co-authored-by: Daishi Kato <dai-shi@users.noreply.github.com>
Co-authored-by: Blazej Sewera <code@sewera.dev>

docs/guides/ssr-and-hydration.md

@@ -95,7 +95,7 @@ that runs in the browser. The right way to "hydrate" a component is by using `hy
 
 ### React
 
-Let's say we want to render an statefull app using react. In order to do that we need to
+Let's say we want to render a stateful app using React. In order to do that we need to
 use `express`, `react`, `react-dom/server` and `react-dom/client`.
 
 Let's dive into that: