README: add link to find out the server URL (#15)

Signed-off-by: Roland Hieber <rohieb@rohieb.name>

diff --git a/README.md b/README.md
index 23787af01a1f75ed1b0a959e1689133c67daed8a..20b6d50630ac55a4c4f8b094d78ae823347ec881 100644 (file)
--- a/README.md
+++ b/README.md
@@ -41,6 +41,7 @@ f = FinTS3PinTanClient(
     'myusername',
     'mypin',
     'https://mybank.com/…'  # endpoint, e.g.: https://hbci-pintan.gad.de/cgi-bin/hbciservlet
+                            # for German banks, see http://www.hbci-zka.de/institute/institut_auswahl.htm
 )
 
 accounts = f.get_sepa_accounts()