diff --git a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentFeatureVectorSummary.java b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentFeatureVectorSummary.java
index 2a5d8311f6c97817074e223fe7014cce85057ffc..ce32a28209f1c5945699a18df8cc3f11c1c1ffd9 100644
--- a/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentFeatureVectorSummary.java
+++ b/screening/source/java/ch/systemsx/cisd/openbis/plugin/screening/shared/basic/dto/ExperimentFeatureVectorSummary.java
@@ -23,7 +23,7 @@ import ch.systemsx.cisd.openbis.generic.shared.basic.dto.CodeAndLabel;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.ServiceVersionHolder;
 
 /**
- * Aggregated feature vectors with its rankings in one experiment for all material.
+ * Aggregated feature vectors with their rankings in one experiment for all materials.
  * 
  * @author Tomasz Pylak
  */