diff --git a/tests/regressiontests/queries/tests.py b/tests/regressiontests/queries/tests.py
index b89bc4e725..f7181d17c9 100644
--- a/tests/regressiontests/queries/tests.py
+++ b/tests/regressiontests/queries/tests.py
@@ -1430,7 +1430,7 @@ class Queries6Tests(TestCase):
 
         # The annotation->tag link is single values and tag->children links is
         # multi-valued. So we have to split the exclude filter in the middle
-        # and then optimise the inner query without losing results.
+        # and then optimize the inner query without losing results.
         self.assertQuerysetEqual(
             Annotation.objects.exclude(tag__children__name="t2"),
             ['<Annotation: a2>']