Fix typo and remove repetition.

Summary:
- Fix typo of `"(NOTE")`
- Remove repetition of "You can also"

Test Plan: zoidbergmaybe

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9532