docs, code tweaks

Author: andrus

README.md

@@ -85,9 +85,9 @@ INFO  main o.a.k.c.u.AppInfoParser: Kafka startTimeMs: 1715466159773
 (producer) bq-kafka-example > Hi again!
 ```
 
-You can read these messages from the topic using Kafka provided console consumer, but let's start our own consumer. 
-Open a new terminal window, change to `bootique-kafka-examples/` directory, and run the same Java app, but with
-`--consumer` command:
+You can read these messages from the `bq-kafka-example` topic using Kafka standard console consumer, but let's start our 
+own consumer. Open a new terminal window, change to `bootique-kafka-examples/` directory, and run the same Java app, 
+but with `--consumer` command:
 
 ```
 java -jar target/bootique-kafka-examples-3.0.jar --consumer \

src/main/java/io/bootique/examples/kafka/ConsumerCommand.java

@@ -4,7 +4,6 @@
 import io.bootique.command.CommandOutcome;
 import io.bootique.command.CommandWithMetadata;
 import io.bootique.kafka.client.consumer.KafkaConsumerFactory;
-import io.bootique.kafka.client.consumer.KafkaPollingTracker;
 import io.bootique.meta.application.CommandMetadata;
 import org.apache.kafka.clients.consumer.Consumer;
 import org.apache.kafka.clients.consumer.ConsumerRecords;
@@ -38,7 +37,7 @@ public CommandOutcome run(Cli cli) {
             return CommandOutcome.failed(-1, "No '--topic' specified");
         }
 
-        KafkaPollingTracker poll = consumerProvider.get()
+       consumerProvider.get()
                 .charValueConsumer()
                 .group("my-group")
                 .autoCommit(true)