Follow the steps below to modify the exercise price of an option grant.

Navigate to Essentials → Manage equity → Options.
Locate the grant, click the three dots to the right and select Modify option grant.
Modify multiple grants at a time by checking the box to the right of them, clicking the Actions button, then Modify option grants.
Select Clerical error as the reason, optionally add a note, and click Next: modify values to proceed.
Check the box to the left of the Exercise price, enter in the New value, scroll down and select Next: review modifications.
Review and Apply modifications.