message: simpler docs
diff: @@ -62,6 +62,8 @@ In Xero a user can belong to multiple organisations. Tokens are ultimately assoc
  const tokenSet = getTokenSetFromUserId(user.id) // example function
  const newXeroClient = new XeroClient()
  const newTokenSet = await newXeroClient.refreshWithRefreshToken(xero_client_id, xero_client_secret, tokenSet.refresh_token)
  + // refreshWithRefreshToken calls setAccessToken() so the refreshed token will be stored on newXeroClient
  + await newXeroClient.accountingApi.getInvoices('my-tenant-uuid))
  ```
  ---
  