diff --git a/Lib/test/test_StringIO.py b/Lib/test/test_StringIO.py
index ed8690c..1459e61 100644
--- a/Lib/test/test_StringIO.py
+++ b/Lib/test/test_StringIO.py
@@ -129,7 +129,7 @@
     MODULE = cStringIO
 
     def test_array_support(self):
-        # Issue
+        # Issue #1730114: cStringIO should accept array objects
         a = array.array('B', [0,1,2])
         f = self.MODULE.StringIO(a)
         self.assertEqual(f.getvalue(), '\x00\x01\x02')