Fixed typo in upgrade docs that might confuse some users
Created by: larkly
Typo in upgrade docs since 5.1-to-5.2.md where comment indicating database type was wrong, which might confuse some users.
Do not update/delete: Banner broadcast message test data
Do not update/delete: Notification broadcast message test data
Created by: larkly
Typo in upgrade docs since 5.1-to-5.2.md where comment indicating database type was wrong, which might confuse some users.