The structure your code link in this section of the documentation links to a non-existent anchor on the same page. It should link to an anchor on a different page.
@dreis2211 has already proposed a change to fix this in https://github.com/spring-projects/spring-boot/pull/19953, but I've separated it out so that we can fix it in 2.2.x as well as master.
Comment From: wilkinsona
Closed by https://github.com/spring-projects/spring-boot/commit/92b4ba6367a26a852250a24de83452dd7fbcc4e7.