Note:
Only campaigns with Draft or Upcoming status can be edited. Active or completed campaigns cannot be modified.
How To Edit a Campaign
Click People → Training Campaigns and click the edit icon next to the campaign you want to edit.

You can edit the following:
Campaign Details: Update the campaign name, description, launch date, end date, SLA, and time zone
Training Materials & Quiz Configuration: Update the training materials, quiz questions, and passing criteria
Employee Checklist: Modify the checklists to which the training is a part of
Click Save to apply all your changes.