Update README.md

Signed-off-by: Frazer Smith <[email protected]>

README.md

@@ -369,7 +369,7 @@ To deep down the `buildLocalReference` arguments, you may read the [documentatio
 By passing a string to the `decorator` option, you can override the default decorator function (`fastify.swagger()`) with a custom one. This allows you to create multiple documents by registering fastify-swagger multiple times with different `transform` functions:
 
 ```js
-// Create an internal swagger doc
+// Create an internal Swagger doc
 await fastify.register(require('@fastify/swagger'), {
   swagger: { ... },
   transform: ({ schema, url, route, swaggerObject }) => {