R1:445caf1d9715

Change monospace text formatting

Summary: Using `##` can cause some formatting issues, see D13071.

Test Plan: See D13071.

Reviewers: epriestley, #blessed_reviewers, chad

Reviewed By: epriestley, #blessed_reviewers

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D13072