typo

src/backoffice/views/mixins.py

@@ -68,7 +68,7 @@ class ConferenceMixin(PermissionRequiredMixin):
         if self.require_conference_open and not self.conference.is_open and not self.is_assembly_team:
             raise PermissionDenied('Conference not open.')
         if not self.has_permission():
-            raise PermissionDenied('Insufficient priviledges.')
+            raise PermissionDenied('Insufficient privileges.')
         return super().dispatch(request, *args, **kwargs)
 
     def get_context_data(self, *args, **kwargs):