Summary: Usually ':' is used before the command Usually while presenting a command ':' is used instead of that '.' was used. Pull Request resolved: https://github.com/facebook/flipper/pull/1406 Reviewed By: jknoxville Differential Revision: D22766378 Pulled By: passy fbshipit-source-id: 6811f36262a5520db3afddbe68afa492831f48f2