fix: page does not exist (#7348)

Author: Steve Xu

src/content/reference/react-dom/components/form.md

@@ -117,7 +117,7 @@ function AddToCart({productId}) {
 }
 ```
 
-When `<form>` is rendered by a [Server Component](/reference/rsc/use-client), and a [Server Function](/reference/rsc/server-function) is passed to the `<form>`'s `action` prop, the form is [progressively enhanced](https://developer.mozilla.org/en-US/docs/Glossary/Progressive_Enhancement).
+When `<form>` is rendered by a [Server Component](/reference/rsc/use-client), and a [Server Function](/reference/rsc/server-functions) is passed to the `<form>`'s `action` prop, the form is [progressively enhanced](https://developer.mozilla.org/en-US/docs/Glossary/Progressive_Enhancement).
 
 ### Display a pending state during form submission {/*display-a-pending-state-during-form-submission*/}
 To display a pending state when a form is being submitted, you can call the `useFormStatus` Hook in a component rendered in a `<form>` and read the `pending` property returned.