diff --git a/Lib/test/test_sys.py b/Lib/test/test_sys.py
index 58a860c..d106fe7 100644
--- a/Lib/test/test_sys.py
+++ b/Lib/test/test_sys.py
@@ -670,6 +670,7 @@
             x = property(getx, setx, delx, "")
             check(x, size(h + '4Pi'))
         # PyCObject
+        # PyCapsule
         # XXX
         # rangeiterator
         check(iter(xrange(1)), size(h + '4l'))