docs: fix typo (vercel#74657)

Oops.

Author: leerob

docs/01-app/03-building-your-application/11-upgrading/08-single-page-applications.mdx

@@ -286,7 +286,7 @@ Client components are [prerendered](https://github.com/reactwg/server-components
 ```jsx
 import dynamic from 'next/dynamic'
 
-const ClientOnlyComponent = dynamic(() => import('./componennt'), {
+const ClientOnlyComponent = dynamic(() => import('./component'), {
   ssr: false,
 })
 ```