diff --git a/README.md b/README.md
index 1b3cbd1..a154efc 100644
--- a/README.md
+++ b/README.md
@@ -1,9 +1,12 @@
 # @uphold/fastify-openapi-router-plugin
 
-This plugin provides an easy way to implement [Fastify](https://fastify.dev) routes from an OpenAPI 3.1 specification using `operationId` names.
-
 [![Tests](https://github.com/uphold/fastify-openapi-router-plugin/actions/workflows/tests.yaml/badge.svg)](https://github.com/uphold/fastify-openapi-router-plugin/actions/workflows/tests.yaml)
 
+A plugin for [Fastify](https://fastify.dev) to connect routes with a OpenAPI 3.0 or 3.1 specification. It does so by:
+
+- Providing a way to register routes using the `operationId` defined in your specification instead of having to manually call `fastify.route` with the correct URL, method, and schema.
+- Handling security schemes defined in your OpenAPI specification and operations, simplifying the implementation of authentication and authorization middleware.
+
 ## Installation
 
 ```bash
@@ -204,7 +207,7 @@ fastify.oas.route({
 
 ### Error handler
 
-If there was an error associated with `security` processing of a request, the plugin will throw an `UnauthorizedError`. It defaults to displaying a `401` status code with `{ code: 'unauthorized', 'message': 'Unauthorized' }` as the payload. You can override this behavior by registering a fastify error handler:
+If there was an error associated with `security` processing of a request, the plugin will throw an `UnauthorizedError`. It defaults to displaying a `401` status code with `{ code: 'FST_OAS_UNAUTHORIZED', 'message': 'Unauthorized' }` as the payload. You can override this behavior by registering a fastify error handler:
 
 ```js
 fastify.setErrorHandler((error, request, reply) => {
diff --git a/package.json b/package.json
index f6c5b23..bee46bc 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@uphold/fastify-openapi-router-plugin",
   "version": "1.0.0",
-  "description": "A plugin for Fastify to connect routes with OpenAPI 3.0 specification",
+  "description": "A plugin for Fastify to connect routes with a OpenAPI 3.0 or 3.1 specification",
   "main": "./src/index.js",
   "types": "types/index.d.ts",
   "type": "module",