You can follow the steps to edit the Training Slides:
Navigate to Products > Training Readiness > Training Module.
On the Training Readiness page, under Actions, click the edit icon adjacent to the module you want to edit.
On the Edit Training page, click Next.
On the Training Slides page, click the edit icon adjacent to the slide you want to edit.
You can edit the fields and click Save Slide. Your changes will be saved.