This is to fix below typos in release notes:
Keytone
specifed
availabilty
maange
expetected
migratons
maintanance
Change-Id: Ifbecf095f2f549d4ec40892484ec1b725927fb44
This migration was added in mitaka and should have been done either in
mitaka or newton. Newton had some migrations that came after it which
were higher-visibility and should have forced everyone to have done
this by now.
Because of the nature of the migration, there isn't really an easy or
efficient way to validate that they have done this like we have done
for some other migrations.
Change-Id: Idb033e9e52b149372308eabb19c5774e10c56156