diff --git a/src/amount.mli b/src/amount.mli
index ab6c7da7..920bed18 100644
--- a/src/amount.mli
+++ b/src/amount.mli
@@ -1,3 +1,6 @@
+(* TODO
+   ? have a currency agnostic amount_lib.ml and specialize amount.ml to Config.currency *)
+
 type sign =
   | Sign_plus
   | Sign_minus
diff --git a/src/secmod.mli b/src/secmod.mli
index 6faafd11..33b6aa21 100644
--- a/src/secmod.mli
+++ b/src/secmod.mli
@@ -19,8 +19,8 @@ module type S = sig
 
   (* - management operations - *)
   (* TODO
-   problem of keeping db and secmod state syncronized
-   do db interaction from secmod? *)
+     problem of keeping db and secmod state syncronized
+     do db interaction from secmod? *)
 
   val add_signkey_master_signatures :
     (eddsa_pub * Bin_sig.ExchangeSigningKeyValidity.t) list ->