Last execution date of the incremental query

How do I enable the ability to see and adjust the Last execution date of the incremental query? - I have a need to see the records from the last time the workflow ran, so I want clear out the last execution date of my incremental query. According to the documentation, I should be able to do this after the workflow runs for the first time on the Scheduler activity.

From 

https://experienceleague.adobe.com/docs/campaign-standard/using/managing-processes-and-data/importing-and-exporting-data/exporting-logs.html?lang=en 

"After the first execution of the workflow, you can see in this tab the last execution date that will be used for the next execution. It is automatically updated every time the workflow is executed. You still have the possibility to override this value by manually entering a new one so that it fits your needs."

However, I am not seeing the last execution date after the workflow runs:

Instead, I am still just seeing this:

How do I enable the ability to see and adjust the Last execution date of the incremental query?

Thanks,

Julia