diff --git a/tests/check_docstring_first_test.py b/tests/check_docstring_first_test.py
index f14880b..aa9898d 100644
--- a/tests/check_docstring_first_test.py
+++ b/tests/check_docstring_first_test.py
@@ -19,7 +19,7 @@
         '"foo"\n',
         1,
         '{filename}:2 Module docstring appears after code '
-        '(code seen on line 1).\n'
+        '(code seen on line 1).\n',
     ),
     # Test double docstring
     (
@@ -28,7 +28,7 @@
         '"fake docstring"\n',
         1,
         '{filename}:3 Multiple module docstrings '
-        '(first docstring on line 1).\n'
+        '(first docstring on line 1).\n',
     ),
     # Test multiple lines of code above
     (