diff --git a/src/hz.erl b/src/hz.erl
index e25b5e3..37e590c 100644
--- a/src/hz.erl
+++ b/src/hz.erl
@@ -45,7 +45,7 @@
          acc/1, acc_at_height/2, acc_at_block_id/2,
          acc_pending_txs/1,
          next_nonce/1,
-         dry_run/1, dry_run/2, dry_run/3, dry_run_map/1,
+         dry_run/1, dry_run/2, dry_run/3, % dry_run_map/1,
          tx/1, tx_info/1,
          post_tx/1,
          contract/1, contract_code/1, contract_source/1,
@@ -1749,6 +1749,7 @@ spend(SenderID, SecKey, RecipientID, Amount, Payload, Height, NetworkID) ->
          TTL         :: non_neg_integer(),
          Nonce       :: non_neg_integer(),
          Payload     :: binary(),
+         NetworkID   :: unicode:chardata(),
          Result      :: term(), % FIXME
          Reason      :: chain_error() | string().
 %% @doc