message: updated incorrect description as referenced in issue
diff: @@ -41,8 +41,7 @@ export interface TaskScheduleDefinition {
  * it's considered timed out and gets "released" such that a new invocation
  * is permitted to take place (possibly, then, on a different worker).
  *
  - * If no value is given for this field then there is no timeout. This is
  - * potentially dangerous.
  + * This is a required field.
  */
  timeout: Duration;
  @@ -58,8 +57,7 @@ export interface TaskScheduleDefinition {
  *
  * The system does its best to avoid overlapping invocations.
  *
  - * If no value is given for this field then the task will only be invoked
  - * once (on any worker) and then unscheduled automatically.
  + * This is a required field.
  */
  frequency: Duration;
  