diff --git a/dspace/config/dspace.cfg b/dspace/config/dspace.cfg
index 560d402ce6..6c6b47078b 100644
--- a/dspace/config/dspace.cfg
+++ b/dspace/config/dspace.cfg
@@ -776,8 +776,13 @@ cc.submit.setname = true
 cc.submit.addbitstream = true
 
 # A list of license classes that should be excluded from selection process
-# class names - comma separated list -  must exactly match what service returns
-# at time of implementation, these are: publicdomain, standard, recombo, zero, mark
+# class names - comma separated list -  must exactly match what service returns.
+# At time of implementation, these are:
+# publicdomain - "Public Domain"
+# standard - "Creative Commons"
+# recombo - "Sampling"
+# zero - "CC0"
+# mark - "Public Domain Mark"
 cc.license.classfilter = recombo, mark
 
 # Jurisdiction of the creative commons license -- is it ported or not?