KEYCLOAK-14979 Fix out of level sequence section title in Keycloak changes

ASzc · Bruno Oliveira da Silva · commit aecad05a108d · 2020-08-03T14:16:51.000-03:00
This should clear the warning that the docs bot has been reporting for a long
time.
diff --git a/upgrading/topics/keycloak/changes.adoc b/upgrading/topics/keycloak/changes.adoc
@@ -88,7 +88,7 @@ KEYCLOAK-12579-add-not-null-constraint::keycloak failed.`
 
 === Migrating to 9.0.0
 
-===== Improved handling of user locale
+==== Improved handling of user locale
 
 A number of improvements have been made to how the locale for the login page is selected, as well as when the locale
 is updated for a user.
