Repair late-night doc typos.
diff --git a/Lib/test/test_support.py b/Lib/test/test_support.py
index 53e8ae7..958acd3 100644
--- a/Lib/test/test_support.py
+++ b/Lib/test/test_support.py
@@ -183,8 +183,8 @@
     """Run doctest on the given module.
 
     If optional argument verbosity is not specified (or is None), pass
-    test_support's belief about verbosity on to doctest.  Else doctest
-    sys.argv for -v.
+    test_support's belief about verbosity on to doctest.  Else doctest's
+    usual behavior is used (it searches sys.argv for -v).
     """
 
     import doctest