Add a link to tut-spring-boot-kotlin

README.md

@@ -1,6 +1,8 @@
 # Spring Boot Kotlin sample project
 
-This is the source code for the a sample Spring Boot application developed with Kotlin and Spring Data JPA. 
+This is the source code for the a sample Spring Boot application developed with Kotlin and Spring Data JPA.
+
+**See also https://github.com/spring-guides/tut-spring-boot-kotlin for a more complete Spring Boot + Kotlin + JPA example.**
 
 You can launch the application with by running:
 
@@ -12,4 +14,4 @@ classes and methods, see [this blog post](https://blog.jetbrains.com/kotlin/2016
 Make sure you have at least IntelliJ IDEA 2017.1 and Kotlin plugin 1.1.x.
 This project uses a [Kotlin based Gradle](https://github.com/gradle/kotlin-dsl) configuration.
 
-This project is Apache 2.0 licensed.
+This project is Apache 2.0 licensed.