* callback. The 'ca' callback is used to create the connection
* when the time is right; the 'da' callback will be used to
* destroy the connection (upon 'GNUNET_TESTBED_operation_done').
- * 'GNUNET_TESTBED_operation_cancel' can be used to abort this
+ * 'GNUNET_TESTBED_operation_done' can be used to abort this
* operation until the event callback has been called.
*
* @param op_cls closure to pass in operation event