Add clarifying comments

theodolite-benchmarks/uc1-hazelcastjet/src/main/java/rocks/theodolite/benchmarks/uc1/hazelcastjet/Uc1PipelineFactory.java

@@ -49,8 +49,6 @@ public class Uc1PipelineFactory extends PipelineFactory {
     final StreamStage<String> uc1TopologyProduct = this.extendUc1Topology(kafkaSource);
 
     // Add Sink: Logger
-    // Do not refactor this to just use the call
-    // (There is a problem with static calls in functions in hazelcastjet)
     final DatabaseWriter<String> writer = this.databaseAdapter.getDatabaseWriter();
     final Sink<String> sink = SinkBuilder.sinkBuilder(
         "Sink into database", x -> writer)

theodolite-benchmarks/uc3-beam/src/main/java/rocks/theodolite/benchmarks/uc3/beam/MapTimeFormat.java

@@ -8,7 +8,7 @@ import org.apache.beam.sdk.values.KV;
 import rocks.theodolite.benchmarks.commons.model.records.ActivePowerRecord;
 
 /**
- * Changes the time format to us Europe/Paris time.
+ * Maps the key of incoming records from pure sensor ID strings to {@link HourOfDayKey}s.
  */
 public class MapTimeFormat
     extends SimpleFunction<KV<String, ActivePowerRecord>, KV<HourOfDayKey, ActivePowerRecord>> {