diff --git a/Tests/test_pyroma.py b/Tests/test_pyroma.py
index 0875cc972..438e0160c 100644
--- a/Tests/test_pyroma.py
+++ b/Tests/test_pyroma.py
@@ -30,7 +30,7 @@ class TestPyroma(PillowTestCase):
             # Pyroma needs to chill about RC versions
             # and not kill all our tests.
             self.assertEqual(rating, (9, [
-                'The packages version number does not comply with PEP-386.']))
+                "The package's version number does not comply with PEP-386."]))
 
         else:
             # Should have a perfect score