You can edit activities either from the Admin Panel or in a project.
Note: You cannot edit activities directly from the Dynamic Reminders Hub.
To edit an activity in a project:
Open a project > select an activity to edit
Open the ...menu in the upper right corner of the milestone and select Edit Milestone.
3. Edit the information you want and select Save activity.
Note: If you change an activity's Duration, it will change its target deadline and could lead to change in its position in the project.