diff --git a/config.cfg b/config.cfg
index ec7154f..7cea092 100644
--- a/config.cfg
+++ b/config.cfg
@@ -40,7 +40,8 @@ keystorePwd=password
 keystoreManagerPwd=password
 # The default ACL to use for all creation of nodes. If left blank, then all nodes will be universally accessible
 # Permissions are based on single character flags: c (Create), r (read), w (write), d (delete), a (admin), * (all)
-# For example defaultAcl={"acls": [{"scheme":"ip", "id":"192.168.1.192", "perms":"*"}, {"scheme":"ip", id":"192.168.1.0/24", "perms":"r"}]
+# For example defaultAcl={"acls": [{"scheme":"ip", "id":"192.168.1.192", "perms":"*"}, {"scheme":"ip", "id":"192.168.1.0/24", "perms":"r"}]}
+# Add auth ACL: defaultAcl={"acls": [{"scheme":"digest", "id":"auth_username:auth_password", "perms":"r"}]}
 defaultAcl=
 # Set X-Forwarded-For to true if zkui is behind a proxy
 X-Forwarded-For=false
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