diff --git a/datastore_server/dist/etc/service.properties b/datastore_server/dist/etc/service.properties
index 120c6634351bc4ff1ad2717b6928d4dc3315ce9e..7f78520037c4d257b0fd6c98027969ca351b9f4f 100644
--- a/datastore_server/dist/etc/service.properties
+++ b/datastore_server/dist/etc/service.properties
@@ -114,6 +114,8 @@ main-thread.type-extractor.file-format-type = TIFF
 main-thread.type-extractor.locator-type = RELATIVE_LOCATION
 main-thread.type-extractor.data-set-type = HCS_IMAGE
 main-thread.type-extractor.procedure-type = DATA_ACQUISITION
+# Location of file containing data set properties 
+#main-thread.type-extractor.data-set-properties-file = etc/data-set.properties
 
 # The storage processor (IStorageProcessor implementation)
 main-thread.storage-processor = ch.systemsx.cisd.etlserver.DefaultStorageProcessor