diff --git a/theodolite-benchmarks/uc1-beam/src/main/java/application/ConverterAdapter.java b/theodolite-benchmarks/uc1-beam/src/main/java/application/ConverterAdapter.java
index 521a47afd0da1bb1e1bda5b85c68dfca39562529..e368c3a06cde50ea8d49d84b038fb2ec5aa97d1a 100644
--- a/theodolite-benchmarks/uc1-beam/src/main/java/application/ConverterAdapter.java
+++ b/theodolite-benchmarks/uc1-beam/src/main/java/application/ConverterAdapter.java
@@ -7,6 +7,8 @@ import titan.ccp.model.records.ActivePowerRecord;
 
 /**
  * {@link SimpleFunction} which wraps a {@link RecordConverter} to be used with Beam.
+ * 
+ * @param <T> type the {@link RecordConverter} is associated with.
  */
 public class ConverterAdapter<T> extends SimpleFunction<ActivePowerRecord, T> {
 
@@ -15,6 +17,10 @@ public class ConverterAdapter<T> extends SimpleFunction<ActivePowerRecord, T> {
   private final RecordConverter<T> recordConverter;
   private final TypeDescriptor<T> type;
 
+  /**
+   * Create a new {@link ConverterAdapter} with a given {@link RecordConverter} and the associated
+   * type.
+   */
   public ConverterAdapter(final RecordConverter<T> recordConverter, final Class<T> type) {
     super();
     this.recordConverter = recordConverter;
diff --git a/theodolite-benchmarks/uc1-beam/src/main/java/application/WriterAdapter.java b/theodolite-benchmarks/uc1-beam/src/main/java/application/WriterAdapter.java
index 5fc9ed3e136395f73bd6c25a1b6751d73ba3f4bc..eb9a2670cd8e61ed103a277e9d26072dc926dbeb 100644
--- a/theodolite-benchmarks/uc1-beam/src/main/java/application/WriterAdapter.java
+++ b/theodolite-benchmarks/uc1-beam/src/main/java/application/WriterAdapter.java
@@ -6,6 +6,8 @@ import rocks.theodolite.benchmarks.uc1.commons.DatabaseWriter;
 
 /**
  * {@link DoFn} which wraps a {@link DatabaseAdapter} to be used with Beam.
+ * 
+ * @param <T> type the {@link DatabaseWriter} is associated with.
  */
 public class WriterAdapter<T> extends DoFn<T, Void> {
 
diff --git a/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/ConverterAdapter.java b/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/ConverterAdapter.java
index d8b833169ed38dfd811b3d09b8e250d2774f40b0..af0a0b1cf5a25d22c1fdc5e7adb7467be03f9b9f 100644
--- a/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/ConverterAdapter.java
+++ b/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/ConverterAdapter.java
@@ -6,6 +6,8 @@ import titan.ccp.model.records.ActivePowerRecord;
 
 /**
  * {@link MapFunction} which wraps a {@link RecordConverter} to be used with Flink.
+ *
+ * @param <T> type the {@link RecordConverter} is associated with.
  */
 public class ConverterAdapter<T> implements MapFunction<ActivePowerRecord, T> {
 
diff --git a/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/WriterAdapter.java b/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/WriterAdapter.java
index 7974fd19b05c508dc970e6bd5173b0e55c5df561..b2f375ec5f5a66141a2551015fb9fbd013ab9c16 100644
--- a/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/WriterAdapter.java
+++ b/theodolite-benchmarks/uc1-flink/src/main/java/theodolite/uc1/application/WriterAdapter.java
@@ -7,6 +7,8 @@ import rocks.theodolite.benchmarks.uc1.commons.DatabaseWriter;
 
 /**
  * {@link FlatMapFunction} which wraps a {@link DatabaseAdapter} to be used with Flink.
+ *
+ * @param <T> type the {@link DatabaseWriter} is associated with.
  */
 public class WriterAdapter<T> implements FlatMapFunction<T, Void> {