diff --git a/components/cli/command/service/opts.go b/components/cli/command/service/opts.go
index baaa58e1f0..0c4d41de17 100644
--- a/components/cli/command/service/opts.go
+++ b/components/cli/command/service/opts.go
@@ -491,7 +491,7 @@ func addServiceFlags(cmd *cobra.Command, opts *serviceOptions) {
 
 	flags.Uint64Var(&opts.update.parallelism, flagUpdateParallelism, 1, "Maximum number of tasks updated simultaneously (0 to update all at once)")
 	flags.DurationVar(&opts.update.delay, flagUpdateDelay, time.Duration(0), "Delay between updates (ns|us|ms|s|m|h) (default 0s)")
-	flags.DurationVar(&opts.update.monitor, flagUpdateMonitor, time.Duration(0), "Duration after each task update to monitor for failure (ns|us|ms|s|m|h) (default 0s)")
+	flags.DurationVar(&opts.update.monitor, flagUpdateMonitor, time.Duration(0), "Duration after each task update to monitor for failure (ns|us|ms|s|m|h)")
 	flags.SetAnnotation(flagUpdateMonitor, "version", []string{"1.25"})
 	flags.StringVar(&opts.update.onFailure, flagUpdateFailureAction, "pause", `Action on update failure ("pause"|"continue"|"rollback")`)
 	flags.Var(&opts.update.maxFailureRatio, flagUpdateMaxFailureRatio, "Failure rate to tolerate during an update")