diff --git a/exercises/resistor-color-duo/resistor_color_duo_test.py b/exercises/resistor-color-duo/resistor_color_duo_test.py
index ad0867be08..6c9384407b 100644
--- a/exercises/resistor-color-duo/resistor_color_duo_test.py
+++ b/exercises/resistor-color-duo/resistor_color_duo_test.py
@@ -3,7 +3,7 @@
 from resistor_color_duo import value
 
 
-# Tests adapted from `problem-specifications//canonical-data.json` @ v1.0.0
+# Tests adapted from `problem-specifications//canonical-data.json` @ v2.0.0
 
 class ResistorColorDuoTest(unittest.TestCase):
     def test_brown_and_black(self):