Apply suggestion from automated review

Author: kbatuigas

modules/develop/pages/transactions.adoc

@@ -153,13 +153,13 @@ The transformation reads a record from `topic(1)`, processes it, and writes it t
 [,java]
 ----
 var source = "source-topic";
-var target = "target-topic"
+var target = "target-topic";
 
 Properties pprops = new Properties();
 pprops.put(ProducerConfig.BOOTSTRAP_SERVERS_CONFIG, "...");
 pprops.put(ProducerConfig.ACKS_CONFIG, "all");
 pprops.put(ProducerConfig.ENABLE_IDEMPOTENCE_CONFIG, true);
-pprops.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, UUID.newUUID());
+pprops.put(ProducerConfig.TRANSACTIONAL_ID_CONFIG, UUID.randomUUID().toString());
 
 Properties cprops = new Properties();
 cprops.put(ConsumerConfig.BOOTSTRAP_SERVERS_CONFIG, "...");