Select an existing static rule set that you want to edit
on the Static page.
Click the pencil icon available on the upper-right corner of the Static
page.
The Edit Static Rule Set page appears with editable fields. For more
information on the options, see Add a Static Rule Set.
Note:
Alternatively, you can select the rule directly and click the pencil icon
available on the upper-right corner of the Rules table to edit a rule
for the selected rule set.