diff --git a/src/secmod.mli b/src/secmod.mli
index f7f6a3d0..4a0778ea 100644
--- a/src/secmod.mli
+++ b/src/secmod.mli
@@ -10,6 +10,7 @@ val verify_with_sm_key : t -> eddsa_sig -> msg:string -> (unit, string) result
 val verify_with_signkey :
   t -> pub:eddsa_pub -> eddsa_sig -> msg:string -> (unit, string) result
 
+(* TODO query database instead? *)
 val get_sm_key_pub : t -> eddsa_pub
 val get_signkeys_data : t -> Signkey_data.t list
 val get_denoms_data : t -> Denom_data.t list