diff --git a/exercises/binary-search/binary_search_test.py b/exercises/binary-search/binary_search_test.py
index c539d15f28..581e2fbc48 100644
--- a/exercises/binary-search/binary_search_test.py
+++ b/exercises/binary-search/binary_search_test.py
@@ -3,6 +3,8 @@
 from binary_search import binary_search
 
 
+# Tests adapted from `problem-specifications//canonical-data.json` @ v1.0.0
+
 class BinarySearchTests(unittest.TestCase):
     def test_finds_value_in_array_with_one_element(self):
         self.assertEqual(binary_search([6], 6), 0)