docs: fix typos + clarify example in UI docs (#11543)

www/apps/resources/app/recipes/marketplace/examples/restaurant-delivery/page.mdx

@@ -3292,9 +3292,9 @@ You can use a custom Next.js project, or use Medusa's Next.js Starter storefront
 
 Before adding the storefront UI, you need an API route that allows a client to stream delivery changes.
 
-So, create the file `src/api/deliveries/subscribe/route.ts` with the following content:
+So, create the file `src/api/deliveries/[id]/subscribe/route.ts` with the following content:
 
-```ts title="src/api/deliveries/subscribe/route.ts" collapsibleLines="1-12" expandButtonLabel="Show Imports"
+```ts title="src/api/deliveries/[id]/subscribe/route.ts" collapsibleLines="1-12" expandButtonLabel="Show Imports"
 import { 
   MedusaRequest, 
   MedusaResponse,

www/apps/resources/app/recipes/marketplace/examples/vendors/page.mdx

@@ -9,7 +9,7 @@ export const metadata = {
 
 In this guide, you'll learn how to build a marketplace with Medusa.
 
-When you install a Medusa application, you get a fully-fledged commerce platform with support for customizations. While Medusa doesn't provide marketeplace functionalities natively, it provides features that you can extend and a framework to support all your customization needs to build a marketplace.
+When you install a Medusa application, you get a fully-fledged commerce platform with support for customizations. While Medusa doesn't provide marketplace functionalities natively, it provides features that you can extend and a framework to support all your customization needs to build a marketplace.
 
 In this guide, you'll customize Medusa to build a marketplace with the following features:
 
@@ -260,7 +260,7 @@ To create tables for the marketplace data models in the database, start by gener
 npx medusa db:generate marketplaceModuleService
 ```
 
-This generates a migration in the `src/modules/marketeplace/migrations` directory.
+This generates a migration in the `src/modules/marketplace/migrations` directory.
 
 Then, to reflect the migration and links in the database, run the following command: