diff --git a/pep-0271.txt b/pep-0271.txt
index fd1dca415..50bb192c5 100644
--- a/pep-0271.txt
+++ b/pep-0271.txt
@@ -53,8 +53,14 @@ When to use this option
 
 Reference Implementation
 
-    See patch.
+    A patch implementing this is available from SourceForge:
+
+    http://sourceforge.net/tracker/download.php?group_id=5470&atid=305470&file_id=6916&aid=429614
   
+    with the patch discussion at:
+
+    http://sourceforge.net/tracker/?func=detail&atid=305470&aid=429614&group_id=5470
+
 
 Copyright