diff --git a/pep-3147.txt b/pep-3147.txt
index add6d893b..da1b3c110 100644
--- a/pep-3147.txt
+++ b/pep-3147.txt
@@ -534,16 +534,10 @@ completely from users.
 Reference implementation
 ========================
 
-A pure-Python reference implementation will be written using
-importlib [21]_, which may need some modifications to its API and
-abstract base classes.  Once the semantics are agreed upon and the
-implementation details are settled, we'll port this to the C
-implementation in `import.c`.  We will have extensive tests that
-guarantee that the pure-Python implementation and the built-in
-implementation remain in sync.
-
-Work on this code will be tracked in a Bazaar branch on Launchpad
-[22]_ until it's ready for merge into Python 3.2.
+Work on this code is tracked in a Bazaar branch on Launchpad [22]_
+until it's ready for merge into Python 3.2.  The work-in-progress diff
+can also be viewed [23]_ and is updated automatically as new changes
+are uploaded.
 
 
 Open issues
@@ -661,6 +655,8 @@ References
 
 .. [22] https://code.launchpad.net/~barry/python/pep3147
 
+.. [23] https://code.launchpad.net/~barry/python/pep3147/+merge/22648
+
 
 ACKNOWLEDGMENTS
 ===============