diff --git a/src/http_info.ml b/src/http_info.ml
index 4b425e1e..21a6943a 100644
--- a/src/http_info.ml
+++ b/src/http_info.ml
@@ -110,8 +110,7 @@ let mk_keys ~db_conn (module Keys : Keys.S) ~last_issue_date =
     | sk :: _ -> Ok sk.SignKey.key
   in
 
-  (* eddsa signature over the contatentation of all of the master_sigs
-     (in reverse chronological order by group) in the arrays under "denominations" *)
+  (* ! depends on denominations order *)
   let exchange_sig =
     let hc =
       denominations