if grammarly updates or revises this agreement grammarly will notify you either by email to your most recently provided email address by posting the updated or revised terms of service and end user license agreement on the site or by any other manner chosen by grammarly in its commercially reasonable discretion.
terms may be changed any time at their discretion without notice to the user.
tldr contains opinion
Terms may be changed any time at their discretion, without notice to the user 
{'grammarly.com'}