diff --git a/tests/test_msg_signidentity.py b/tests/test_msg_signidentity.py
index 2654bd5..10fafba 100644
--- a/tests/test_msg_signidentity.py
+++ b/tests/test_msg_signidentity.py
@@ -10,23 +10,26 @@ class TestMsgSignidentity(common.TrezorTest):
     def test_sign(self):
         self.setup_mnemonic_nopin_nopassphrase()
 
+        hidden = binascii.unhexlify('cd8552569d6e4509266ef137584d1e62c7579b5b8ed69bbafa4b864c6521e7c2')
+        visual = '2015-03-23 17:39:22'
+
         identity = proto_types.IdentityType(proto='https', user='satoshi', host='bitcoin.org', port='', path='/login', index=0)
-        sig = self.client.sign_identity(identity, binascii.unhexlify('531c4dd0a92caff62817eaec3065b65d'), '2015/02/20 16:50')
+        sig = self.client.sign_identity(identity, hidden, visual)
         self.assertEqual(sig.address, '17F17smBTX9VTZA9Mj8LM5QGYNZnmziCjL')
         self.assertEqual(binascii.hexlify(sig.public_key), '023a472219ad3327b07c18273717bb3a40b39b743756bf287fbd5fa9d263237f45')
-        self.assertEqual(binascii.hexlify(sig.signature), '208e131a2ee1b9b5108b899f21f167a9e17d2daaba4e33724838ab692e28a512047ee322fe86d3e9b8624b28741de8e2595ea2d6af4487729711b72cb05f766fc0')
+        self.assertEqual(binascii.hexlify(sig.signature), '20f2d1a42d08c3a362be49275c3ffeeaa415fc040971985548b9f910812237bb41770bf2c8d488428799fbb7e52c11f1a3404011375e4080e077e0e42ab7a5ba02')
 
         identity = proto_types.IdentityType(proto='ftp', user='satoshi', host='bitcoin.org', port='2323', path='/pub', index=3)
-        sig = self.client.sign_identity(identity, binascii.unhexlify('531c4dd0a92caff62817eaec3065b65d'), '2015/02/20 16:50')
+        sig = self.client.sign_identity(identity, hidden, visual)
         self.assertEqual(sig.address, '1KAr6r5qF2kADL8bAaRQBjGKYEGxn9WrbS')
         self.assertEqual(binascii.hexlify(sig.public_key), '0266cf12d2ba381c5fd797da0d64f59c07a6f1b034ad276cca6bf2729e92b20d9c')
-        self.assertEqual(binascii.hexlify(sig.signature), '20d24fff632767928a997af046ca22bf56662559a9619af38d972e45fa806c55a403c26157d27aa21d2380bb39792278b063df082793c99b450501aa40a7c31d53')
+        self.assertEqual(binascii.hexlify(sig.signature), '20bbd12dc657d534fc0f7e40186e22c447e0866a016f654f380adffa9a84e9faf412a1bb0ae908296537838cf91145e77da08681c63d07b7dca40728b9e6cb17cf')
 
         identity = proto_types.IdentityType(proto='ssh', user='satoshi', host='bitcoin.org', port='', path='', index=47)
-        sig = self.client.sign_identity(identity, binascii.unhexlify('531c4dd0a92caff62817eaec3065b65d'), '2015/02/20 16:50')
+        sig = self.client.sign_identity(identity, hidden, visual)
         self.assertEqual(sig.address, '')
         self.assertEqual(binascii.hexlify(sig.public_key), '03cebfae5359d6c48b8dcf9da22b2113096548407ce21da8ab28a886f750f217f4')
-        self.assertEqual(binascii.hexlify(sig.signature), '00591d42831787e344ac9b6c1b5c0ed41af6eb20e08414ed312d20c991126f944e74bbabf5e9a98c28501386bab7cbd9b632953df549ac21096fd7bc7899017698')
+        self.assertEqual(binascii.hexlify(sig.signature), '00122463a8430b74b5d8c41d7c9bacc65f0eb51ceda71b9fec112e76bf2e56d8a64a66b8e019678315dc08e3be96905ea7718ec3b731e8e57e1613671ee91d1706')
 
 if __name__ == '__main__':
     unittest.main()
diff --git a/trezorlib/client.py b/trezorlib/client.py
index 79a8ed7..8b24457 100644
--- a/trezorlib/client.py
+++ b/trezorlib/client.py
@@ -176,6 +176,10 @@ class TextUIMixin(object):
         else:
             desc = 'PIN'
 
+        log("Use the numeric keypad to describe number positions. The layout is:")
+        log("    7 8 9")
+        log("    4 5 6")
+        log("    1 2 3")
         log("Please enter %s: " % desc)
         pin = getpass.getpass('')
         return proto.PinMatrixAck(pin=pin)