diff -r b13c72380297 index.rst
--- a/index.rst	Wed May 16 16:02:08 2012 -0700
+++ b/index.rst	Sat May 19 13:18:21 2012 -0700
@@ -46,7 +46,13 @@
    On :ref:`Windows <windows-compiling>`, load the project file
    :file:`PCbuild\\pcbuild.sln` in Visual Studio, select :menuselection:`Debug`,
    and :menuselection:`Build --> Build Solution`.
-3. :doc:`Run the tests <runtests>` with ``./python -m test -j3`` (use
+3. :doc:`Run the tests <runtests>`:
+
+   **Python 3**: ``./python -m test -j3`` 
+
+   **Python 2.7**: ``./python -m test.regrtest -j3`` 
+
+   (use
    :file:`./python.exe` on :ref:`most <python.exe>` Mac OS X systems and
    :file:`PCbuild\\python_d.exe` on Windows).
 4. Make the :doc:`patch <patch>`.