diff --git a/server/tinode.conf b/server/tinode.conf
index 0a387b40e60a07127ee5091fca704efbfbdcdc2e..c7b697138f110e69443bbec09a7594a76b6db64d 100644
--- a/server/tinode.conf
+++ b/server/tinode.conf
@@ -161,7 +161,8 @@
 	"auth_config": {
 		// Optional mapping of externally-visible authenticator names to internal names.
 		// For example use ["my-auth:basic", "basic:"] to rename "basic" authenticator to
-		// "my-auth" and make "basic" unaccessible by the old name.
+		// "my-auth" and make "basic" unaccessible by the old name. If you want to use REST-auth, then
+		// the config is ["basic:rest", "rest:"].
 		// Default is identity mapping.
 		"logical_names": [],