diff --git a/src/main/java/org/matsim/run/scoring/PseudoRandomTripScoring.java b/src/main/java/org/matsim/run/scoring/PseudoRandomTripScoring.java
index 9684f541..ea2a6883 100644
--- a/src/main/java/org/matsim/run/scoring/PseudoRandomTripScoring.java
+++ b/src/main/java/org/matsim/run/scoring/PseudoRandomTripScoring.java
@@ -13,6 +13,9 @@
 
 import java.util.List;
 
+/**
+ * Scoring function that assigns a pseudo-random score to each trip.
+ */
 public class PseudoRandomTripScoring implements SumScoringFunction.TripScoring {
 
 	private static final Logger log = LogManager.getLogger(PseudoRandomTripScoring.class);