docs(README): fix link to MDC syntax (#1467)

Author: Vinccool96

README.md

@@ -7,7 +7,7 @@
 
 # Nuxt Content
 
-Nuxt Content reads the `content/` directory in your project, parses `.md`, `.yml`, `.csv` or `.json` files and creates a powerful data layer for your application. Bonus, use Vue components in Markdown with the [MDC syntax](/guide/writing/mdc).
+Nuxt Content reads the `content/` directory in your project, parses `.md`, `.yml`, `.csv` or `.json` files and creates a powerful data layer for your application. Bonus, use Vue components in Markdown with the [MDC syntax](https://content.nuxtjs.org/guide/writing/mdc).
 
 - [📖  Read the documentation](https://content.nuxtjs.org)
 - [👾  Playground](https://stackblitz.com/github/nuxt/content/tree/main/examples/essentials/hello-world?file=app.vue)