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 3c35e87e5a56cd0b6f0014abb2dc2f2dd7581ea4..000e372ca7cdd5d87c401c9273e2b642b1872081 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
@@ -24,7 +24,7 @@ import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.api.v1.dto.Experiment;
 import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.api.v1.dto.MsInjectionDataInfo;
 
 /**
- * Facade for openBIS proteomics data service.
+ * Facade for openBIS proteomics data service to be used by a proteomics pipeline server like p-grade.
  * 
  * @author Franz-Josef Elmer
  */
diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/shared/api/v1/IProteomicsDataService.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/shared/api/v1/IProteomicsDataService.java
index 79357b48be434898d151a657994961121bdf3d8f..65442c24b7e9b5239ce6d77b3cc06e7d5117d700 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/shared/api/v1/IProteomicsDataService.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/shared/api/v1/IProteomicsDataService.java
@@ -23,12 +23,13 @@ import org.springframework.transaction.annotation.Transactional;
 import ch.systemsx.cisd.common.api.IRpcService;
 import ch.systemsx.cisd.openbis.generic.shared.authorization.annotation.RolesAllowed;
 import ch.systemsx.cisd.openbis.generic.shared.basic.dto.RoleWithHierarchy;
+import ch.systemsx.cisd.openbis.plugin.phosphonetx.client.api.v1.IProteomicsDataApiFacade;
 import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.api.v1.dto.DataStoreServerProcessingPluginInfo;
 import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.api.v1.dto.Experiment;
 import ch.systemsx.cisd.openbis.plugin.phosphonetx.shared.api.v1.dto.MsInjectionDataInfo;
 
 /**
- * 
+ * Interface used by {@link IProteomicsDataApiFacade}.
  *
  * @author Franz-Josef Elmer
  */