diff --git a/tests/test_fields.py b/tests/test_fields.py
index 63450a420..665184394 100644
--- a/tests/test_fields.py
+++ b/tests/test_fields.py
@@ -1787,7 +1787,7 @@ class TestNoOutputFormatDurationField(FieldValues):
 
 class TestISOOutputFormatDurationField(FieldValues):
     """
-    Values for `TimeField` with a custom output format.
+    Values for `DurationField` with a custom output format.
     """
     valid_inputs = {}
     invalid_inputs = {}