Update docs on tweeting
Some of our docs are still outdated, this updates that information with info provided by Emily: https://gitlab.slack.com/archives/C0XM5UU6B/p1565645976246400?thread_ts=1565645728.246200&cid=C0XM5UU6B
Context from Emily:
(PS - you should probably ping @ContentTeam in the future, the advocates don't have the ability to tweet immediately)
Edited by John Skarbek