docs: fix inline code block (#1303)

Author: Aterbonus

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

@@ -83,7 +83,7 @@ This page will use the article layout!
 
 By default, it uses the `default` layout if none is specified.
 
-If you want to use another layout by default, use the `layoutFallbacks`` option in the `nuxt.config`:
+If you want to use another layout by default, use the `layoutFallbacks` option in the `nuxt.config`:
 
 ```ts [nuxt.config.ts]
 export default defineNuxtConfig({