Fix typo in MigrationGuide.md (#2173)
Fix typo in MigrationGuide.md (#2173)


bookman25/jest,skovhus/jest,ide/jest,cpojer/jest,cpojer/jest,facebook/jest,ide/jest,ide/jest,skovhus/jest,mpontus/jest,bookman25/jest,mpontus/jest,facebook/jest,skovhus/jest,cpojer/jest,facebook/jest,mpontus/jest,bookman25/jest