diff --git a/policy/modules/services/nis.if b/policy/modules/services/nis.if
index df608e9..c0c0267 100644
--- a/policy/modules/services/nis.if
+++ b/policy/modules/services/nis.if
@@ -68,11 +68,23 @@ interface(`nis_use_ypbind_uncond',`
 ## <summary>
 ##	Use the ypbind service to access NIS services.
 ## </summary>
+## <desc>
+##	<p>
+##	Allow the specified domain to use the ypbind service
+##	to access Network Information Service (NIS) services.
+##	Information that can be retreived from NIS includes
+##	usernames, passwords, home directories, and groups.
+##	If the network is configured to have a single sign-on
+##	using NIS, it is likely that any program that does
+##	authentication will need this access.
+##	</p>
+## </desc>
 ## <param name="domain">
 ##	<summary>
-##	The type of the process performing this action.
+##	Domain allowed access.
 ##	</summary>
 ## </param>
+## <infoflow type="both" weight="10"/>
 ## <rolecap/>
 #
 interface(`nis_use_ypbind',`