further hint to where the open docs really are
diff --git a/Python/bltinmodule.c b/Python/bltinmodule.c
index f8a6d93..c1e934e 100644
--- a/Python/bltinmodule.c
+++ b/Python/bltinmodule.c
@@ -1485,7 +1485,7 @@
 "open(name[, mode[, buffering]]) -> file object\n\
 \n\
 Open a file using the file() type, returns a file object.  This is the\n\
-preferred way to open a file.");
+preferred way to open a file.  See file.__doc__ for further information.");
 
 
 static PyObject *