Fixed spelling error
Fixed spelling error

Fixed spelling error and removed Erin's last name on one of the "please contact Erin" sentences so that it's consistent with the rest of the post. @erinbecker
datacarpentry/datacarpentry.github.io,tracykteal/datacarpentry.github.io,datacarpentry/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,tracykteal/datacarpentry.github.io,tracykteal/datacarpentry.github.io,tracykteal/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,datacarpentry/datacarpentry.github.io,ErinBecker/datacarpentry.github.io,ErinBecker/datacarpentry.github.io