diff --git a/auth b/auth
index 03bbb2fc9da1361ab2c95787b5ddaab4a3407aa1..f9dbd00f0a1e413e000e42b968de0f6a0a44558f 160000
--- a/auth
+++ b/auth
@@ -1 +1 @@
-Subproject commit 03bbb2fc9da1361ab2c95787b5ddaab4a3407aa1
+Subproject commit f9dbd00f0a1e413e000e42b968de0f6a0a44558f
diff --git a/config.py.example b/config.py.example
index 2a8b4e5a00fb7fb8221ac63f9d184bf4c7a2c9a8..a199e84a496a4b08307be26ffbe1fc9d67425c0c 100644
--- a/config.py.example
+++ b/config.py.example
@@ -80,7 +80,7 @@ AUTH_BACKENDS = [
         user_dn="uid={},ou=users,dc=example,dc=com",
         group_dn="dc=example,dc=com"),
     ADManager(
-        host="ad.example.com",
+        host="ad.example.com", # pass multiple hosts for replication
         domain="EXAMPLE",
         user_dn="cn=users,dc=example,dc=com",
         group_dn="dc=example,dc=com",