diff --git a/serverless/aws/README.md b/serverless/aws/README.md
index 5fb2004..f11e701 100644
--- a/serverless/aws/README.md
+++ b/serverless/aws/README.md
@@ -1,12 +1,31 @@
+
+## How To Use
+
+`python create_lambda_function.py MY_REGION MY_BUCKET_NAME`
+
+Upload the resulting `lambda_function.zip` using the Lambda console.
+
+## Restrictions
+
+1. There is a limit of 1 MB for tiles served through Lambda@Edge.
+2. Lambda@Edge does not support layers, environment variables, or ARM functions.
+
+## AWS Notes
+
+1. API Gateway (Event format v2.0)
+2. Lambda Function URLs are not recommended.
+
 ## Test Event
 
+CloudFront event:
+
 ```json
 {
   "Records": [
     {
       "cf": {
         "request": {
-          "uri": "/tiles/0/0/0.pbf",
+          "uri": "/my-tileset-name/0/0/0.pbf",
           "method": "GET",
           "headers": {}
         }
@@ -14,4 +33,12 @@
     }
   ]
 }
+```
+
+API Gateway V2 / Lambda Function URLs:
+
+```json
+{
+  "rawPath": "/my-tileset-name/0/0/0.pbf"
+}
 ```
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diff --git a/serverless/aws/lambda_function.zip b/serverless/aws/lambda_function.zip
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