MINOR: Improved documentation.

SVN: 16553

screening/etc/service.properties

@@ -234,10 +234,15 @@ plate-analysis-data.type-extractor.is-measured = false
 plate-analysis-data.storage-processor = ch.systemsx.cisd.openbis.dss.etl.featurevector.FeatureVectorStorageProcessor
 plate-analysis-data.storage-processor.processor = ch.systemsx.cisd.etlserver.DefaultStorageProcessor
 plate-analysis-data.storage-processor.data-source = imaging-db
+# The separator in the CSV feature-vector files
 plate-analysis-data.storage-processor.separator = ;
+# Should lines starting with the '#' be ignored?
 plate-analysis-data.storage-processor.ignore-comments = true
+# The name of the column that specifies the well row
 plate-analysis-data.storage-processor.well-name-row = WellName
+# The name of the column that specifies the well column
 plate-analysis-data.storage-processor.well-name-col = WellName
+# True if column names specified in spreadsheet form (A, B, etc.), false if they are pure numbers
 plate-analysis-data.storage-processor.well-name-col-is-alphanum = true