R1:57e7c7c706c5

Tidy up some translation strings

Summary: Parameterize command names in translation strings.

Test Plan: Eyeball it.

Reviewers: #blessed_reviewers, epriestley, eadler

Reviewed By: #blessed_reviewers, epriestley, eadler

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D13270