diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/api/v1/IProteomicsDataApiFacade.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/api/v1/IProteomicsDataApiFacade.java
index 54f85e6c40608a16ccdaf8963ddbb9b4bb114a32..5b0c46c2cde8a32e0e5ec82a8e35142ba0d06798 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/api/v1/IProteomicsDataApiFacade.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/api/v1/IProteomicsDataApiFacade.java
@@ -54,6 +54,11 @@ public interface IProteomicsDataApiFacade
     public void processingRawData(String userID, String dataSetProcessingKey,
             long[] rawDataSampleIDs, String dataSetType);
     
+    /**
+     * Processes the specified data sets by the DSS processing plug-in of specified key for the
+     * specified user. Implementations should check that the specified user is allowed to read
+     * specified data sets.
+     */
     public void processDataSets(String userID, String dataSetProcessingKey, List<String> dataSetCodes);
 
     /**