diff --git a/qubesadmin/tests/tools/qvm_device.py b/qubesadmin/tests/tools/qvm_device.py
index a59c7b44..a7ffacd6 100644
--- a/qubesadmin/tests/tools/qvm_device.py
+++ b/qubesadmin/tests/tools/qvm_device.py
@@ -119,9 +119,10 @@ def test_001_list_assigned_required(self):
             self.assertEqual(
                 buf.getvalue(),
                 'test-vm1:dev1  any device                        '
-                'test-vm2 (option=other option, extra_opt=yes), '
-                'test-vm3 (option=test option)\n'
-                'test-vm3:dev3  ?******: evil inc. test-device-3  test-vm2\n'
+                'test-vm2 (required: option=other option, extra_opt=yes), '
+                'test-vm3 (required: option=test option)\n'
+                'test-vm3:dev3  ?******: evil inc. test-device-3  '
+                'test-vm2 (required)\n'
             )
 
     def test_002_list_attach(self):
@@ -149,7 +150,8 @@ def test_002_list_attach(self):
                 ['testclass', 'list', 'test-vm3'], app=self.app)
             self.assertEqual(
                 buf.getvalue(),
-                'test-vm1:dev1  ?******: itl test-device  test-vm3\n'
+                'test-vm1:dev1  ?******: itl test-device  '
+                'test-vm3 (required)\n'
             )
 
     def test_003_list_device_classes(self):
diff --git a/qubesadmin/tools/qvm_device.py b/qubesadmin/tools/qvm_device.py
index 0c3a834d..b1d3a0b4 100644
--- a/qubesadmin/tools/qvm_device.py
+++ b/qubesadmin/tools/qvm_device.py
@@ -63,12 +63,13 @@ def prepare_table(dev_list):
     return header + sorted(output)
 
 
-class Line(object):
+class Line:
     """Helper class to hold single device info for listing"""
 
     # pylint: disable=too-few-public-methods
     def __init__(self, device: DeviceInfo, attached_to=None):
-        self.ident = "{!s}:{!s}".format(device.backend_domain, device.port_id)  # TODO!
+        self.ident = "{!s}:{!s}".format(
+            device.backend_domain, device.port_id)
         self.description = device.description
         self.attached_to = attached_to if attached_to else ""
         self.frontends = []
@@ -151,11 +152,14 @@ def _frontend_desc(vm, assignment):
     """
     Generate description of frontend vm with optional device connection options.
     """
+    mode = assignment.mode.value
+    if mode == 'manual':
+        mode = 'attached'
     if assignment.options:
-        return '{!s} ({})'.format(
-            vm, ', '.join('{}={}'.format(key, value)
+        return '{!s} ({}: {})'.format(
+            vm, mode, ', '.join('{}={}'.format(key, value)
                           for key, value in assignment.options.items()))
-    return str(vm)
+    return f'{vm} ({mode})'
 
 
 def attach_device(args):