diff --git a/NEWS b/NEWS
index f3c1fa25..67c257d3 100644
--- a/NEWS
+++ b/NEWS
@@ -4,6 +4,9 @@
 - Reload the CRL on during periodic maintaince if its modification time
   changes.
 - Allow loading DER-encoded CRLs.
+- Re-added the PAM accounting method. That accounting method can be combined
+  with any authentication method, and can be used to check for a valid
+  system account.
 
 
 * Version 0.10.8 (released 2015-09-04)
diff --git a/doc/sample.config b/doc/sample.config
index c7dd5ace..15e908b7 100644
--- a/doc/sample.config
+++ b/doc/sample.config
@@ -52,7 +52,9 @@ auth = "plain[passwd=./sample.passwd]"
 #      radius accounting to available users (see also stats-report-time).
 #
 # pam: can be combined with any authentication method, it provides
-#      a validation of the connecting user's name using PAM.
+#      a validation of the connecting user's name using PAM. It is
+#      superfluous to use this method when authentication is already
+#      PAM.
 #
 # Only one accounting method can be specified.
 #acct = "radius[config=/etc/radiusclient/radiusclient.conf]"
diff --git a/src/ocserv-args.def b/src/ocserv-args.def
index 9769df5c..7077d395 100644
--- a/src/ocserv-args.def
+++ b/src/ocserv-args.def
@@ -134,7 +134,9 @@ An example configuration file follows.
 #      radius accounting to available users (see also stats-report-time).
 #
 # pam: can be combined with any authentication method, it provides
-#      a validation of the connecting user's name using PAM.
+#      a validation of the connecting user's name using PAM. It is
+#      superfluous to use this method when authentication is already
+#      PAM.
 #
 # Only one accounting method can be specified.
 #acct = "radius[config=/etc/radiusclient/radiusclient.conf]"