message: Fix CLI typo for flow-legacy
diff: @@ -125,7 +125,7 @@ yargs
  target: {
  demand: false,
  describe: 'Code generation target language',
  - choices: ['swift', 'scala', 'json', 'ts-legacy', 'ts', 'typescript-legacy', 'typescript', 'flow-leagcy', 'flow'],
  + choices: ['swift', 'scala', 'json', 'ts-legacy', 'ts', 'typescript-legacy', 'typescript', 'flow-legacy', 'flow'],
  default: 'swift'
  },
  only: {
  