[fix][doc] admonitions syntax
@@ -273,4 +273,3 @@ Using geo-replication to migrate data between clusters is a special use case of
* If you have some older messages to migrate, you can pre-create the replication subscriptions for each topic and set it at the earliest position by using `pulsar-admin topics create-subscription -s pulsar.repl.new-cluster -m earliest <topic>`.
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