diff --git a/src/main/java/gr/james/sampling/collect/RandomSamplingCollector.java b/src/main/java/gr/james/sampling/collect/RandomSamplingCollector.java
index 035644b..8e8fbdf 100644
--- a/src/main/java/gr/james/sampling/collect/RandomSamplingCollector.java
+++ b/src/main/java/gr/james/sampling/collect/RandomSamplingCollector.java
@@ -16,6 +16,7 @@
  * accumulated result into a final sample {@link Collection} after all input elements have been processed.
  *
  * @param <E> the type of input elements
+ * @author Giorgos Stamatelatos
  */
 public class RandomSamplingCollector<E>
         implements Collector<E, RandomSampling<E>, Collection<E>> {
diff --git a/src/main/java/gr/james/sampling/collect/WeightedRandomSamplingCollector.java b/src/main/java/gr/james/sampling/collect/WeightedRandomSamplingCollector.java
index 2e6b045..54eb4bb 100644
--- a/src/main/java/gr/james/sampling/collect/WeightedRandomSamplingCollector.java
+++ b/src/main/java/gr/james/sampling/collect/WeightedRandomSamplingCollector.java
@@ -17,6 +17,7 @@
  * the accumulated result into a final sample {@link Collection} after all input elements have been processed.
  *
  * @param <E> the type of input elements
+ * @author Giorgos Stamatelatos
  */
 public class WeightedRandomSamplingCollector<E>
         implements Collector<Map.Entry<E, Double>, WeightedRandomSampling<E>, Collection<E>> {