diff --git a/setup.py b/setup.py
index 7b7dc90..48883d8 100644
--- a/setup.py
+++ b/setup.py
@@ -2,6 +2,7 @@
 from __future__ import with_statement
 from setuptools import setup
 try:
+    # Work around a traceback with Nose on Python 2.6
     # http://bugs.python.org/issue15881#msg170215
     import multiprocessing
 except ImportError: