diff --git a/python-apsw.spec b/python-apsw.spec
index c00c00d..d5662b0 100644
--- a/python-apsw.spec
+++ b/python-apsw.spec
@@ -51,6 +51,9 @@ export CFLAGS="%{optflags} -fno-strict-aliasing"
 %python_install
 
 %check
+# python setup.py test is in this case very complicated home-brewn,
+# and using unittest, so it shouldn't be affected by changes in
+# setuptools.
 export CFLAGS="%{optflags} -fno-strict-aliasing"
 %{python_expand $python setup.py build_ext --inplace
 $python setup.py test