Update modules/ROOT/pages/clustering/servers.adoc

Author: renetapopova

modules/ROOT/pages/clustering/servers.adoc

@@ -85,7 +85,7 @@ Once enabled, the server may be allocated databases to host.
 A server in a deallocating state means that it can no longer host databases.
 It may be that the server is no longer needed and you want to remove it from the cluster.
 The command `DEALLOCATE DATABASE[S] FROM SERVER[S] _server_[,...]` is used to transition servers to the _Deallocating_ state, reallocating all their hosted databases to other servers in the cluster.
-[WARNING]
+[NOTE]
 ====
 This state is *irreversible*.
 Once a server is in a deallocating state, it subsequently cannot have databases allocated to it.