diff --git a/unikernel/unikernel.ml b/unikernel/unikernel.ml
index a9624814..42ebade9 100644
--- a/unikernel/unikernel.ml
+++ b/unikernel/unikernel.ml
@@ -41,6 +41,11 @@ module Make
 struct
   (* WIP
      read directories *)
+  (* use this syntax (?):
+open Lwt.Syntax
+let ( let*? ) = Lwt_result.bind
+let ( let+? ) x f = Lwt_result.map f x
+*)
   module Assets = struct
     module Assets_ro = Keys_ro