wizard: fix restore multisig from seed

gui/qt/installwizard.py

@@ -288,8 +288,8 @@ class InstallWizard(QDialog, MessageBoxMixin, BaseWizard):
     def add_cosigner_dialog(self, run_next, index, is_valid):
         title = _("Add Cosigner") + " %d"%index
         message = ' '.join([
-            _('Please enter the master public key of your cosigner.'),
+            _('Please enter the master public key (xpub) of your cosigner.'),
-            _('Enter their seed or master private key if you want to be able to sign for them.')
+            _('Enter their master private key (xprv) if you want to be able to sign for them.')
         ])
         return self.text_input(title, message, is_valid)
 

lib/base_wizard.py

@@ -129,6 +129,7 @@ class BaseWizard(object):
             message = _('Add a cosigner to your multi-sig wallet')
             choices = [
                 ('restore_from_key', _('Enter cosigner key')),
+                ('restore_from_seed', _('Enter cosigner seed')),
             ]
             if not self.is_kivy:
                 choices.append(('choose_hw_device',  _('Cosign with hardware device')))