Fix grammar and clarity issues in index.mdx

docs/index.mdx

@@ -12,18 +12,18 @@ Welcome to the Next.js documentation!
 
 ## What is Next.js?
 
-Next.js is a React framework for building full-stack web applications. You use React Components to build user interfaces, and Next.js for additional features and optimizations.
+Next.js is a React framework for building full-stack web applications. You use React components to build user interfaces, and Next.js provides additional features and optimizations.
 
-It also automatically configures lower-level tools like bundlers and compilers. You can instead focus on building your product and shipping quickly.
+It also automatically configures lower-level tools like bundlers and compilers, allowing you to focus on building your product and shipping quickly.
 
 Whether you're an individual developer or part of a larger team, Next.js can help you build interactive, dynamic, and fast React applications.
 
 ## How to use the docs
 
-The docs are organized into 3 sections:
+The docs are organized into three sections:
 
 - [Getting Started](/docs/app/getting-started): Step-by-step tutorials to help you create a new application and learn the core Next.js features.
-- [Guides](/docs/app/guides): Tutorials on specific use cases, choose what's relevant to you.
+- [Guides](/docs/app/guides): Tutorials on specific use cases; choose what's relevant to you.
 - [API Reference](/docs/app/api-reference): Detailed technical reference for every feature.
 
 Use the sidebar to navigate through the sections, or search (`Ctrl+K` or `Cmd+K`) to quickly find a page.
@@ -41,26 +41,26 @@ At the top of the sidebar, you'll notice a dropdown menu that allows you to swit
 
 The App Router and Pages Router handle React versions differently:
 
-- **App Router**: Uses [React canary releases](https://react.dev/blog/2023/05/03/react-canaries) built-in, which include all the stable React 19 changes, as well as newer features being validated in frameworks, prior to a new React release.
+- **App Router**: Uses [React canary releases](https://react.dev/blog/2023/05/03/react-canaries) built-in, which include all the stable React 19 changes, as well as newer features being validated in frameworks prior to a new React release.
 
 - **Pages Router**: Uses the React version installed in your project's `package.json`.
 
-This approach ensures new React features work reliably in the App Router while maintaining backwards compatibility for existing Pages Router applications.
+This approach ensures new React features work reliably in the App Router while maintaining backward compatibility for existing Pages Router applications.
 
-## Pre-requisite knowledge
+## Prerequisite knowledge
 
-Our documentation assumes some familiarity with web development. Before getting started, it'll help if you're comfortable with:
+Our documentation assumes some familiarity with web development. Before getting started, it will help if you're comfortable with:
 
 - HTML
 - CSS
 - JavaScript
 - React
 
-If you're new to React or need a refresher, we recommend starting with our [React Foundations course](/learn/react-foundations), and the [Next.js Foundations course](/learn/dashboard-app) that has you building an application as you learn.
+If you're new to React or need a refresher, we recommend starting with our [React Foundations course](/learn/react-foundations) and the [Next.js Foundations course](/learn/dashboard-app) that has you building an application as you learn.
 
 ## Accessibility
 
-For the best experience when using a screen reader, we recommend using Firefox and NVDA, or Safari and VoiceOver.
+For the best experience when using a screen reader, we recommend using Firefox with NVDA, or Safari with VoiceOver.
 
 ## Join our Community