docs: improve catch-all section in document-driven mode

Author: atinux

docs/content/3.guide/1.writing/7.document-driven.md

@@ -42,9 +42,9 @@ You can also use an object to configure the behavior of the mode, checkout the [
 
 ## Catch-all page
 
-The document driven mode ships a pre-configured catch-all page.
+The document driven mode ships a pre-configured [catch-all route](https://v3.nuxtjs.org/guide/directory-structure/pages#catch-all-route).
 
-This injected page is useful for having a minimal project structure:
+This [injected Vue page](https://github.com/nuxt/content/blob/main/src/runtime/pages/document-driven.vue) is useful for having a minimal project structure:
 
 ```
 my-project/