diff --git a/lib/services/transaction.js b/lib/services/transaction.js
index b0b01d76..e4987d76 100644
--- a/lib/services/transaction.js
+++ b/lib/services/transaction.js
@@ -53,7 +53,8 @@ var Index = {
   output: 'txo-', // txo-<txid>-<n> -> serialized Output
   spent: 'txs-', // txo-<txid>-<n>-<spend txid>-<m> -> block height of confirmation for spend
   address: 'txa-', // txa-<address>-<txid>-<n> -> Output
-  addressSpent: 'txas-', // txa-<address>-<txid>-<n> -> {
+  addressSpent: 'txas-', 
+  // txa-<address>-<txid>-<n> -> {
   //   heightSpent: number,          (may be -1 for unconfirmed tx)
   //   spentTx: string, spentTxInputIndex: number, spendInput: Input
   // }