diff --git a/tools/offline.ml b/tools/offline.ml
index 362a3ee6..a4aa0843 100644
--- a/tools/offline.ml
+++ b/tools/offline.ml
@@ -1,6 +1,8 @@
 (* TODO
    - clean up cmdliner
-   - don't depends on wget *)
+   - don't depends on wget
+   - setup: need public key in config file
+   - check sigs *)
 (* doc: https://docs.taler.net/manpages/taler-exchange-offline.1.html *)
 let version = "%%VERSION%%"