Update daprdocs/content/en/concepts/dapr-services/scheduler.md

Co-authored-by: Mark Fussell <markfussell@gmail.com>
Signed-off-by: Hannah Hunter <94493363+hhunter-ms@users.noreply.github.com>

Author: hhunter-ms

daprdocs/content/en/concepts/dapr-services/scheduler.md

@@ -15,7 +15,7 @@ The diagram below shows how the Scheduler service is used via the jobs API when
 
 Prior to Dapr v1.15, [actor reminders]({{< ref "actors-timers-reminders.md#actor-reminders" >}}) were run using the Placement service. Now, by default, the [`SchedulerReminders` feature flag]({{< ref "support-preview-features.md#current-preview-features" >}}) is set to `true`, and all new actor reminders you create are run using the Scheduler service to make them more scalable.
 
-Once you deploy Dapr v1.15, any _existing_ actor reminders are migrated from the Placement service to the Scheduler service. You can prevent this migration by setting the `SchedulerReminders` flag to `false`.
+When you deploy Dapr v1.15, any _existing_ actor reminders are migrated from the Placement service to the Scheduler service as a one time operation for each actor type. You can prevent this migration by setting the `SchedulerReminders` flag to `false` in application configuration file for the actor type.
 
 ## Self-hosted mode