Fix documentation for create to not have a trailing space after comma
Fix documentation for create to not have a trailing space after comma

Summary: This is actually incorrect, the OS should come after the comma no-spaces

Reviewed By: zeyadsalloum

Differential Revision: D20594866

fbshipit-source-id: aa47eb0296b235a87c8228bf0c0dfe05abf3be64

facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl,facebook/FBSimulatorControl