diff --git a/MIGRATION.md b/MIGRATION.md
index f8f7460..12dbef9 100644
--- a/MIGRATION.md
+++ b/MIGRATION.md
@@ -17,7 +17,7 @@ Follow Cloudflare's [Migration Guide](https://developers.cloudflare.com/workers/
 
 ## Update
 
-Update to the latest version verstion
+Update to the latest version version of the router.
 
 ```bash
 npm i -D @tsndr/cloudflare-worker-router
@@ -25,7 +25,7 @@ npm i -D @tsndr/cloudflare-worker-router
 
 ## Import / Require
 
-Switch to ESModules.
+Switch from `require()` to `import`.
 
 ### Before
 
@@ -43,7 +43,7 @@ import Router from '@tsndr/cloudflare-worker-router'
 
 ## Routes
 
-Just add curly braces.
+Just add curly braces `{}`.
 
 
 ### Before
@@ -54,18 +54,3 @@ Just add curly braces.
 ### After
 
 <a href="https://gist.github.com/tsndr/8db6e8dd55e348015c2ff8e93dd6aa31" target="_blank"><img width="469" alt="Petrify 2022-06-24 at 5 55 56 PM" src="https://user-images.githubusercontent.com/2940127/175572549-0eea8fc4-3d90-412a-89cc-d2f4569f1139.png"></a>
-
-
-## Fetch / `router.handle()`
-
-❗️ Be aware that with `v2.0.0` the parameters of `router.handle()` changed ❗️
-
-
-### Before
-
-<a href="https://gist.github.com/tsndr/12b0f800269760c597646c90a562ef88" target="_blank"><img width="469" alt="Petrify 2022-06-24 at 5 58 43 PM" src="https://user-images.githubusercontent.com/2940127/175572993-fb4681c2-eece-4c92-88e8-1c2f57644769.png"></a>
-
-
-### After
-
-<a href="https://gist.github.com/tsndr/30902b01b134e2a58cf3a53648dd3e47" target="_blank"><img width="393" alt="Petrify 2022-06-24 at 5 59 22 PM" src="https://user-images.githubusercontent.com/2940127/175573110-b7dfcfb2-855d-4529-a957-6f8b9ec439f3.png"></a>
diff --git a/README.md b/README.md
index c8f7736..048425b 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,8 @@ I worked a lot with [Express.js](https://expressjs.com/) in the past and really
 
 ## Usage
 
+Migrating from `v1.x.x`, check out the [Migration Guide](MIGRATION.md).
+
 ### TypeScript Example
 
 ```typescript
@@ -51,12 +53,10 @@ const router = new Router<Env>()
 router.cors()
 
 // Register global middleware
-router.use(() => {
-    return new Response(null, {
-        headers: {
-            'X-Global-Middlewares': 'true'
-        }
-    })
+router.use(({ env, req }) => {
+    // Intercept if token doesn't match
+    if (req.headers.get('authorization') !== env.SECRET_TOKEN)
+        return new Response(null, { status: 401 })
 })
 
 // Simple get
@@ -85,9 +85,7 @@ router.post('/user/:id', ({ req }) => {
 
 // Delete route using a middleware
 router.delete('/user/:id', ({ env, req }) => {
-    const { SECRET_TOKEN } = env
-
-    if (req.headers.get('Authorization') === SECRET_TOKEN)
+    if (req.headers.get('authorization') === env.SECRET_TOKEN)
         return new Response(null, { status: 401 })
 
 }, ({ req }) => {
@@ -121,12 +119,10 @@ const router = new Router()
 router.cors()
 
 // Register global middleware
-router.use(() => {
-    return new Response(null, {
-        headers: {
-            'X-Global-Middlewares': 'true'
-        }
-    })
+router.use(({ env, req }) => {
+    // Intercept if token doesn't match
+    if (req.headers.get('authorization') !== env.SECRET_TOKEN)
+        return new Response(null, { status: 401 })
 })
 
 // Simple get
@@ -139,11 +135,12 @@ router.get('/user', () => {
 
 // Post route with url parameter
 router.post('/user/:id', ({ req }) => {
+
     const userId = req.params.id
 
     // Do stuff
 
-    if (errorDoingStuff) {
+    if (!true) {
         return Response.json({
             error: 'Error doing stuff!'
         }, { status: 400 })
@@ -154,17 +151,16 @@ router.post('/user/:id', ({ req }) => {
 
 // Delete route using a middleware
 router.delete('/user/:id', ({ env, req }) => {
-    const { SECRET_TOKEN } = env
-
-    if (req.headers.get('Authorization') === SECRET_TOKEN)
+    if (req.headers.get('authorization') === env.SECRET_TOKEN)
         return new Response(null, { status: 401 })
 
 }, ({ req }) => {
-    const userId = req.params.id
 
-    // Do stuff...
+  const userId = req.params.id
 
-    return Response.json({ userId })
+  // Do stuff...
+
+  return Response.json({ userId })
 })
 
 // Listen Cloudflare Workers Fetch Event
@@ -306,15 +302,15 @@ const router = new Router<Env>()
 
 /// Example Route
 //
-// router.get(/'hi', ({ res }) => {
-//    res.body = 'Hello World'
+// router.get(/'hi', async () => {
+//    return new Response('Hello World')
 //}
 
 
 /// Example Route for splitting into multiple files
 //
-// const hiHandler: RouteHandler<Env> = ({ res }) => {
-//     res.body = 'Hello World'
+// const hiHandler: RouteHandler<Env> = async () => {
+//    return new Response('Hello World')
 // }
 //
 // router.get('/hi', hiHandler)
@@ -340,10 +336,20 @@ import { Router } from '@tsndr/cloudflare-worker-router'
 
 const router = new Router()
 
-// router.get(/'hi', ({ res }) => {
-//    res.body = 'Hello World'
+/// Example Route
+//
+// router.get(/'hi', async () => {
+//    return new Response('Hello World')
 //}
 
+/// Example Route for splitting into multiple files
+//
+// async function hiHandler() {
+//    return new Response('Hello World')
+// }
+//
+// router.get('/hi', hiHandler)
+
 // TODO: add your routes here
 
 export default {