message: fix manual example
diff: @@ -262,7 +262,7 @@ const manifestURI = 'https://example.com/manifest.json'
  const scopes = ['scope_write', 'publish_data']
  const appDomain = 'https://example.com'
  -const authRequest = makeAuthRequest(transitPrivateKey, redirectURI, scopes, appDomain)
  +const authRequest = makeAuthRequest(transitPrivateKey, redirectURI, manifestURI, scopes, appDomain)
  redirectToSignInWithAuthRequest(authRequest)
  ```
  