Fix typo
Fix typo

Summary: Fixes a typo

Reviewed By: jknoxville

Differential Revision: D15200593

fbshipit-source-id: baf5679e095e7bc430f56de03793033c16d59f5f

facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper,facebook/flipper