diff --git a/src/pretix/base/services/checkin.py b/src/pretix/base/services/checkin.py
index 5d76a52e80..8fb7b4bb2e 100644
--- a/src/pretix/base/services/checkin.py
+++ b/src/pretix/base/services/checkin.py
@@ -1135,7 +1135,7 @@ def perform_checkin(op: OrderPosition, clist: CheckinList, given_answers: dict,
                 )
             elif not reusable_media and linked_media.exists():
                 raise CheckInError(
-                    _('This ticket has already been exchanged - use the reusable media instead.'),
+                    _('This ticket has already been exchanged - use the reusable medium instead.'),
                     'already_exchanged',
                 )
 
diff --git a/src/pretix/base/settings.py b/src/pretix/base/settings.py
index d20a3c47cc..0b8fb422af 100644
--- a/src/pretix/base/settings.py
+++ b/src/pretix/base/settings.py
@@ -224,7 +224,7 @@ DEFAULTS = {
         'serializer_class': serializers.BooleanField,
         'form_kwargs': dict(
             label=_("Enforce the usage of issued re-usable media for check-in"),
-            help_text=_("If enabled, a ticket barcode will not be accepted anymore, if a re-usable media has been "
+            help_text=_("If enabled, a ticket barcode will not be accepted anymore, if a re-usable medium has been "
                         "created and linked to a ticket. Keeping this option turned off will treat the re-usable "
                         "medium and ticket as equals."),
             widget=forms.CheckboxInput(attrs={'data-display-dependency': '#id_settings-reusable_media_active'}),
diff --git a/src/pretix/control/templates/pretixcontrol/checkin/simulator.html b/src/pretix/control/templates/pretixcontrol/checkin/simulator.html
index 68da775a7c..bca9d8c8fa 100644
--- a/src/pretix/control/templates/pretixcontrol/checkin/simulator.html
+++ b/src/pretix/control/templates/pretixcontrol/checkin/simulator.html
@@ -85,7 +85,7 @@
                     <h3 class="nomargin-top">{% trans "Media exchange required" %}</h3>
                     <p>
                         {% blocktrans trimmed with media_policy=media_policies|getitem:result.media_policy media_type=media_types|getitem:result.media_type %}
-                            This ticket needs to be exchanged into a <strong>{{ media_type }}</strong> re-usable media.
+                            This ticket needs to be exchanged into a <strong>{{ media_type }}</strong> re-usable medium.
                             <strong>{{ media_policy }}</strong>.
                         {% endblocktrans %}
                     </p>