update info

next-env.d.ts

@@ -2,4 +2,4 @@
 /// <reference types="next/image-types/global" />
 
 // NOTE: This file should not be edited
-// see https://nextjs.org/docs/basic-features/typescript for more information.
+// see https://nextjs.org/docs/pages/building-your-application/configuring/typescript for more information.

src/pages/[platform]/build-a-backend/functions/add-lambda-layers/index.mdx

@@ -43,7 +43,7 @@ export const myFunction = defineFunction({
 });
 ```
 
-The key for the layer is a module name hosted on your existing layer and will be externalized ensuring the module is not bundled with your function. The value accepts an Arn that references to a version of your layer that exists in the same region as your function. You can add upto 5 layers in your function.
+The Lambda layer is represented by an object of key/value pairs where the key is the module name that is exported from your layer and the value is the ARN of the layer. The key (module name) is used to externalize the module dependency so it doesn't get bundled with your lambda function. A maximum of 5 layers can be attached to a function, and they must be in the same region as the function.
 
 then use the locally installed module in the function handler:
 ```ts title="amplify/functions/my-function/handler.ts"