update readme

README.md

@@ -6,11 +6,11 @@ The application contains:
 - React based web client
   - FE - http://localhost:8090
   - BE - http://localhost:3000
-- NodeJS server - the full API documentation is available via swagger or GraphQL
+- NodeJS server that serves that React client and provides both OpenAPI and GraphQL endpoints.
+The full API documentation is available via swagger or GraphQL:
   - Swagger UI - http://localhost:8090/swagger
   - Swagger JSON file - http://localhost:8090/swagger-json
   - GraphiQL UI - http://localhost:8090/graphiql
-- nginx web server that serves the client and acts as a reverse proxy for the server's API requests
 
 > **Note**
 > The GraphQL API does not yet support all of the endpoints the REST API does.