README updated

Author: fabriziofiorucci

README.md

@@ -183,6 +183,6 @@ Configuration can be customized mounting `config.toml` as a volume `nginx-declar
 
 When NGINX Declarative API is running, REST API documentation can be accessed at:
 
-- Documentation and testing: http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/docs
-- Redoc documentation: http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/redoc
-- OpenAPI specification: http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/openapi.json
+- Documentation and testing: `http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/docs`
+- Redoc documentation: `http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/redoc`
+- OpenAPI specification: `http://<NGINX_DECLARATIVE_API_ADDRESS>:5000/openapi.json`