Update README.adoc

Modified instructions to include Reactive Gateway as one of the dependencies instead of Gateway.
Removed jvmVersion=11 to let Initializr auto-select JDK

README.adoc

@@ -19,14 +19,14 @@ include::https://raw.githubusercontent.com/spring-guides/getting-started-macros/
 [[scratch]]
 == Starting with Spring Initializr
 
-You can use this https://start.spring.io/#!type=maven-project&language=java&packaging=jar&jvmVersion=11&groupId=com.example&artifactId=gateway&name=gateway&description=Demo%20project%20for%20Spring%20Boot&packageName=com.example.gateway&dependencies=cloud-gateway-reactive,cloud-resilience4j,cloud-contract-stub-runner[pre-initialized project] and click Generate to download a ZIP file. This project is configured to fit the examples in this tutorial.
+You can use this https://start.spring.io/#!type=maven-project&language=java&packaging=jar&groupId=com.example&artifactId=gateway&name=gateway&description=Demo%20project%20for%20Spring%20Boot&packageName=com.example.gateway&dependencies=cloud-gateway-reactive,cloud-resilience4j,cloud-contract-stub-runner[pre-initialized project] and click Generate to download a ZIP file. This project is configured to fit the examples in this tutorial.
 
 To manually initialize the project:
 
 . Navigate to https://start.spring.io.
 This service pulls in all the dependencies you need for an application and does most of the setup for you.
 . Choose either Gradle or Maven and the language you want to use. This guide assumes that you chose Java.
-. Click *Dependencies* and select *Gateway*, *Resilience4J*, and *Contract Stub Runner*.
+. Click *Dependencies* and select *Reactive Gateway*, *Resilience4J*, and *Contract Stub Runner*.
 . Click *Generate*.
 . Download the resulting ZIP file, which is an archive of a web application that is configured with your choices.