docs: rewrite note wording (#5462)

Co-authored-by: Daniel Roe <daniel@roe.dev>

docs/content/2.guide/1.concepts/2.vuejs-development.md

@@ -39,7 +39,7 @@ Inside the `<template>` of the component, we use the `<Welcome>` component creat
 Try to replace the `<template>`’s content with a custom welcome message. The browser window on the right will automatically render the changes without reloading.
 
 ::alert{type="info"}
-💡 If you are familiar with Vue, you might wonder where is the `main.js` file that creates a Vue app. Nuxt does this part behind the scene.
+💡 If you're familiar with Vue, you might be looking for the `main.js` file that creates a Vue app instance. Nuxt automatically handles this behind the scenes.
 ::
 
 **If you were a previous user of Nuxt 2 or Vue 2, keep reading to get a feel of the differences between Vue 2 and Vue 3, and how Nuxt integrates those evolutions.**