diff --git a/datastore_server/dist/etc/service.properties b/datastore_server/dist/etc/service.properties
index ba0ece34aeb2c7f5e229a41446f77dc6f5f1a7c7..c81893ad7f2539e55a2d1564b1fd98cc8c4e4ca5 100644
--- a/datastore_server/dist/etc/service.properties
+++ b/datastore_server/dist/etc/service.properties
@@ -375,16 +375,18 @@ dss-rpc.put-default = main-thread
 # ${dataSetCode} - the data set code
 # ${dataSetType} - the data set type
 # ${dataSetDate} - the creation date of the data set
+# ${disambiguation} - if ${dataSetCode} is not used, the ${disambiguation} variable must be present 
+#                     in the template in order to avoid path collisions. 
 # ${fileName} - When ${fileName} is specified in the template, '<data-set-level>' will include 
 #     the name of a file located directly under the dataset root folder. One entry will be created 
 #     for earch such file. 
 # Example :
-# ftp.server.dataset.display.template=${dataSetDate}-${fileName}
+# ftp.server.dataset.display.template=${dataSetDate}-${disambiguation}-${fileName}
 # Result :
-# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-file1.txt
-# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-file2.pdf
-# /SPACE/PROJECT/EXPERIMENT/2011-10-10-11-11-file1.txt
-# /SPACE/PROJECT/EXPERIMENT/2011-10-10-11-11-file2.pdf
+# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-A-file1.txt
+# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-A-file2.pdf
+# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-B-file1.txt
+# /SPACE/PROJECT/EXPERIMENT/2011-10-10-10-10-B-file2.pdf
 #
 # Optional parameter, default template value is ${dataSetCode}                
 #ftp.server.dataset.display.template=${dataSetCode}