Polish Section Link in What's New

docs/manual/src/docs/asciidoc/_includes/preface/whats-new.adoc

@@ -27,7 +27,7 @@ Below are the highlights of the release.
 ** Added <<webflux-oauth2-client,OAuth2 Client>> support
 ** Added <<webflux-oauth2-resource-server,OAuth2 Resource Server>> support
 ** Added OAuth2 <<webclient,WebClient>> integration
-* <<test-method>> - `@WithUserDetails` now works with `ReactiveUserDetailsService`
+* `@WithUserDetails` <<test-method-withuserdetails,now works>> with `ReactiveUserDetailsService`
 * Added <<webflux-cors,CORS>> support
 * Added support for the following <<webflux-headers,HTTP headers>>
 ** <<webflux-headers-csp,Content Security Policy>>