two typos here, one in string.
Merge pull request #8367 from mafagafogigante/calendar

two typos here, one in string.
Some typos.

Side note: I wonder if "KA101's 1337 copy & paste skillz" have anything to do with the recurrence of the typo "preexsiting". I like some of the comments you guys made.

- mafagafogigante
Merge pull request #8368 from mafagafogigante/anothertypo

Some typos.