diff --git a/tests/test_boolean.py b/tests/test_boolean.py
index fc6cfd21081c062a2330d4173d16490630595be3..60ad1cbd80d34a6892fcdd3304e0b401840a02e2 100644
--- a/tests/test_boolean.py
+++ b/tests/test_boolean.py
@@ -132,7 +132,7 @@ def test_record():
         assert_equal(
             rec3.get_property(
                 "SimpleBooleanProperty").get_errors()[0].description,
-            "Cannot parse value to boolean (either 'true' or 'false, "
+            "Cannot parse value to boolean (either 'true' or 'false', "
             "ignoring case).")
 
     finally: