diff --git a/apstools/utils/device_info.py b/apstools/utils/device_info.py
index f48a247c8..3a524e747 100644
--- a/apstools/utils/device_info.py
+++ b/apstools/utils/device_info.py
@@ -24,7 +24,7 @@
 pd.set_option("display.max_rows", None)
 
 
-NOT_CONNECTED_VALUE = "-nc-" # use this in table for signals that did not connect
+NOT_CONNECTED_VALUE = "-n/c-" # use this in table for signals that did not connect
 
 
 def _all_signals(base):
diff --git a/apstools/utils/tests/test_listdevice.py b/apstools/utils/tests/test_listdevice.py
index 39ca2ce75..8f52fee58 100644
--- a/apstools/utils/tests/test_listdevice.py
+++ b/apstools/utils/tests/test_listdevice.py
@@ -172,17 +172,17 @@ def test_listdevice_cname(device, scope, cnames):
 
 
 @pytest.mark.parametrize(
-    "class_, count, item",
+    "class_, num_lines, nc_item",
     [
         [TwoSignalDevice, 6, 3],
         [MyDevice, 134, 130],
     ],
 )
-def test_unconnectable(class_, count, item):
+def test_unconnectable(class_, num_lines, nc_item):
     device = class_("", name="device")
     assert not device.connected
 
     result = str(listdevice(device)).splitlines()
     assert not device.connected
-    assert len(result) == count
-    assert result[item].split()[1] == NOT_CONNECTED_VALUE
+    assert len(result) == num_lines
+    assert result[nc_item].split()[1] == NOT_CONNECTED_VALUE