diff --git a/lib/datastore/transaction.js b/lib/datastore/transaction.js
index 888bad2772d..2691aed3065 100644
--- a/lib/datastore/transaction.js
+++ b/lib/datastore/transaction.js
@@ -119,11 +119,10 @@ Transaction.prototype.begin = function(callback) {
  * @param {function} callback - The callback function.
  *
  * @example
- * transaction.begin(function(err) {
- *   transaction.rollback(function(err) {
- *     if (err) {
- *       // Transaction could not be rolled back.
- *     }
+ * transaction.commit(function(err) {
+ *   if (err) {
+ *     // Rollback the transaction.
+ *     transaction.rollback(function(err, apiResponse) {});
  *   });
  * });
  */