Polish "Update docs to Spock 1.2"

Closes gh-15060

Author: snicoll

spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc

@@ -7354,8 +7354,8 @@ If you wish to use Spock to test a Spring Boot application, you should add a dep
 on Spock's `spock-spring` module to your application's build. `spock-spring` integrates
 Spring's test framework into Spock. It is recommended that you use Spock 1.2 or later to
 benefit from a number of improvements to Spock's Spring Framework and Spring Boot
-integration. See http://spockframework.org/spock/docs/1.2/modules.html#_spring_module[the documentation
-for Spock's Spring module] for further details.
+integration. See http://spockframework.org/spock/docs/1.2/modules.html#_spring_module[the
+documentation for Spock's Spring module] for further details.