mention that it is a python 2.6 bug
diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index ec8c699..5b4523b 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -2167,8 +2167,8 @@
         client = socket()
         context = Context(TLSv1_METHOD)
         clientSSL = Connection(context, client)
-        # pytest.raises here doesn't work because of a bug in py.test:
-        # https://github.com/pytest-dev/pytest/issues/988
+        # pytest.raises here doesn't work because of a bug in py.test on Python
+        # 2.6: https://github.com/pytest-dev/pytest/issues/988
         try:
             clientSSL.connect(("127.0.0.1", 1))
         except error as e: