diff --git a/python/lsst/daf/butler/registry/tests/_database.py b/python/lsst/daf/butler/registry/tests/_database.py
index b156bfacb7..1919e02fef 100644
--- a/python/lsst/daf/butler/registry/tests/_database.py
+++ b/python/lsst/daf/butler/registry/tests/_database.py
@@ -686,7 +686,7 @@ def testReplace(self):
         )
 
     def test_replace_pkey_only(self):
-        """Test `Database.replace` on a table only has primary key columns,
+        """Test `Database.replace` on a table that only has primary key columns,
         where the behavior should be the same as `Database.ensure`.
         """
         spec = ddl.TableSpec(