Summary:
2 spaces, and space before and after the `+`
Pull Request resolved: https://github.com/facebook/flipper/pull/324
Reviewed By: jknoxville
Differential Revision: D13082547
Pulled By: priteshrnandgaonkar
fbshipit-source-id: b6053ebde16a1f7f953704e0791622d3d59cc962