Fix broken documentation link

spring-boot-docs/src/main/asciidoc/getting-started.adoc

@@ -157,7 +157,7 @@ installed you can follow the instructions at http://www.gradle.org/.
 Spring Boot dependencies can be declared using the `org.springframework.boot` `group`.
 Typically your project will declare dependencies to one or more
 <<using-spring-boot.adoc#using-boot-starter-poms, ``Starter POMs''>>. Spring Boot
-provides a useful <<build-tool-plugins.adoc#build-tool-plugins-gradle, Gradle plugin>>
+provides a useful <<build-tool-plugins.adoc#build-tool-plugins-gradle-plugin, Gradle plugin>>
 that can be used to simplify dependency declarations and to create executable jars.
 
 .Gradle Wrapper