Update docs/src/main/asciidoc/config-reference.adoc

Co-authored-by: Guillaume Smet <guillaume.smet@gmail.com>

docs/src/main/asciidoc/config-reference.adoc

@@ -697,7 +697,7 @@ It will log the changed options and save the current values of each of the optio
 By default, `track-config-changes` looks for the configuration recorded during previous build and does nothing if it's not found. Enabling `dumpCurrentWhenRecordedUnavailable` parameter will make it dump the current build configuration
 options taking into account `quarkus.config-tracking.*` configuration.
 
-[[IMPORTANT]]
+[IMPORTANT]
 ====
 Unlike the build configuration options recorded during the `quarkus:build` goal, configuration options saved by `quarkus:track-config-changes` with `dumpCurrentWhenRecordedUnavailable` enabled will include all the build configuration
 options exposed by a `org.eclipse.microprofile.config.Config` instance. Which means this report may include some build configuration options that will not be used by the Quarkus application build process but also may be missing some