diff --git a/docs/1.getting-started/12.upgrade.md b/docs/1.getting-started/12.upgrade.md
index 04ce369359..60c5f84554 100644
--- a/docs/1.getting-started/12.upgrade.md
+++ b/docs/1.getting-started/12.upgrade.md
@@ -178,6 +178,7 @@ nuxt.config.ts
 1. Create a new directory called `app/`.
 1. Move your `assets/`, `components/`, `composables/`, `layouts/`, `middleware/`, `pages/`, `plugins/` and `utils/` folders under it, as well as `app.vue`, `error.vue`, `app.config.ts`. If you have an `app/router-options.ts` or `app/spa-loading-template.html`, these paths remain the same.
 1. Make sure your `nuxt.config.ts`, `content/`, `layers/`, `modules/`, `public/` and `server/` folders remain outside the `app/` folder, in the root of your project.
+1. Remember to update any third-party configuration files to work with the new directory structure, such as your `tailwindcss` or `eslint` configuration (if required - `@nuxtjs/tailwindcss` should automatically configure `tailwindcss` correctly).
 
 ::tip
 You can automate this migration by running `npx codemod@latest nuxt/4/file-structure`