diff --git a/gajim/common/jingle_rtp.py b/gajim/common/jingle_rtp.py
index d392ca5e748027f16c8cca951425fc351e48dc24..41988afbd7510fe679b4a386ccbcd0d06a221256 100644
--- a/gajim/common/jingle_rtp.py
+++ b/gajim/common/jingle_rtp.py
@@ -130,11 +130,13 @@ def make_bin_from_config(self, config_key, pipeline, text):
                     None,
                     conn=self.session.connection,
                     level='error',
-                    pri_txt=_(f'{text.capitalize()} configuration error'),
-                    sec_txt=_(
-                        f'Couldn’t set up {text}. Check your configuration.\n'
-                        f'Pipeline was:\n{pipeline}\n'
-                        f'Error was:\n{err}')))
+                    pri_txt=_(f'{text} configuration error'),
+                    sec_txt=_('Couldn’t set up %(text)s. Check your '
+                              'configuration.\nPipeline:\n%(pipeline)s\n'
+                              'Error:\n%(error)s') % {
+                                  'text': text,
+                                  'pipeline': pipeline,
+                                  'error': str(err)}))
             raise JingleContentSetupException
 
     def add_remote_candidates(self, candidates):
diff --git a/gajim/gui_interface.py b/gajim/gui_interface.py
index 505ba193d3f1c03c40d107f7f067571f7642a74b..fe596fe68bbda19dc15a9c7d679fdff2203192fe 100644
--- a/gajim/gui_interface.py
+++ b/gajim/gui_interface.py
@@ -924,7 +924,8 @@ def handle_event_jingle_incoming(self, event):
 
         if helpers.allow_showing_notification(account):
             heading = _('Incoming Call')
-            text = _(f'{app.get_name_from_jid(account, event.jid)} is calling')
+            contact = app.get_name_from_jid(account, event.jid)
+            text = _(f'{contact} is calling')
             app.notification.popup(
                 heading,
                 event.fjid,