diff --git a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/ProteinByExperimentBrowserGrid.java b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/ProteinByExperimentBrowserGrid.java
index 13a014286a8e58ffebb760d77b8f771dc54aa45f..aaeb5d72c1d858a959dbd3b77e743ecbcbcdd7c1 100644
--- a/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/ProteinByExperimentBrowserGrid.java
+++ b/rtd_phosphonetx/source/java/ch/systemsx/cisd/openbis/plugin/phosphonetx/client/web/client/application/ProteinByExperimentBrowserGrid.java
@@ -139,7 +139,7 @@ class ProteinByExperimentBrowserGrid extends AbstractSimpleBrowserGrid<ProteinIn
                 for (Treatment treatment : treatments)
                 {
                     header += delim + treatment;
-                    delim = "\n";
+                    delim = ", ";
                     properties.put(treatment.getTypeCode(), treatment.getValue());
                 }
             }