diff --git a/lib/transaction/transaction.js b/lib/transaction/transaction.js
index cb0bf9f..73b945e 100644
--- a/lib/transaction/transaction.js
+++ b/lib/transaction/transaction.js
@@ -468,7 +468,7 @@ Transaction.prototype.fee = function(amount) {
  * Beware that this resets all the signatures for inputs (in further versions,
  * SIGHASH_SINGLE or SIGHASH_NONE signatures will not be reset).
  *
- * @param {number} amount satoshis to be sent
+ * @param {address} An address for change to be sent to.
  * @return {Transaction} this, for chaining
  */
 Transaction.prototype.change = function(address) {