Lulu
Grade N/APoints
When the service wants to make a material change to its terms, users are notified at least 30 days in advance
The service may update the Terms without notice, but if they significantly change the agreements in a manner that importantly and/or negatively affects the way the service is used, users will be notified at least 30 days in advance.
There is a date of the last update of the agreements
The given text has a date that allows to know when it was last updated.