diff --git a/refpolicy/policy/rolemap b/refpolicy/policy/rolemap
index 012da6c..8aed252 100644
--- a/refpolicy/policy/rolemap
+++ b/refpolicy/policy/rolemap
@@ -1,9 +1,11 @@
 #
 # This file contains the mappings
 # used for per-userdomain template
-# infrastructure
+# infrastructure.  Each line describes
+# the prefix and user domain type
+# corresponding to each role.
 #
-# Each line has: role prefix user_domain
+# syntax: role prefix user_domain
 #
 
 ifdef(`strict_policy',`