fix: typo in SSR documentation (#956)

sections/advanced/server-side-rendering.mdx

@@ -86,7 +86,7 @@ On this version, you [only need to add](https://github.com/vercel/next.js/blob/c
 
 #### App directory
 
-For routes defined in the `app/` directory, in Next.js v13+, you'll need to put a sytled-components registry in one of your layout files, as [described in Next.js docs](https://nextjs.org/docs/app/building-your-application/styling/css-in-js#styled-components). Note that this depends on styled-components v6+. Also note that the `'use client'` directive is used - so while your page will be server-side rendered, styled-components will still appear in your client bundle.
+For routes defined in the `app/` directory, in Next.js v13+, you'll need to put a styled-components registry in one of your layout files, as [described in Next.js docs](https://nextjs.org/docs/app/building-your-application/styling/css-in-js#styled-components). Note that this depends on styled-components v6+. Also note that the `'use client'` directive is used - so while your page will be server-side rendered, styled-components will still appear in your client bundle.
 
 ### Gatsby