Space administrators can control who is notified about changes/updates to pages within a wiki space.

To manage the watchers of a page or post:

1.  Go to the page or post for which you wish to manage the watchers.
2. Select "Watch" or "Watching" and then "Manage Watchers" near the top right corner of the page.
3.  Add or remove users by entering their name or EID and then selecting add or selecting the trash icon next to their name to remove.

Documentation for Managing Watchers