R1:8b86ec6c7220

Make multiple tags render more nicely in headers

Summary: If you render multiple tags, they squish together.

Test Plan:
Now they look a little better:

{F31191}

Reviewers: Afaque_Hussain

Reviewed By: Afaque_Hussain

CC: aran

Differential Revision: https://secure.phabricator.com/D4761