Fix a typo in README.md
Fix a typo in README.md

Reviewed By: tyronen

Differential Revision: D2948821

fb-gh-sync-id: 8bc02a5a460c936648768946fb4ea598d8395be7
shipit-source-id: 8bc02a5a460c936648768946fb4ea598d8395be7

facebook/SoLoader,facebook/SoLoader,facebook/SoLoader