diff -r c2d7a30a5dcb Objects/typeobject.c
--- a/Objects/typeobject.c	Wed Oct 29 13:33:05 2014 +0000
+++ b/Objects/typeobject.c	Fri Oct 31 11:35:20 2014 +0000
@@ -5993,9 +5993,9 @@
     BINSLOT("__truediv__", nb_true_divide, slot_nb_true_divide, "/"),
     RBINSLOT("__rtruediv__", nb_true_divide, slot_nb_true_divide, "/"),
     IBSLOT("__ifloordiv__", nb_inplace_floor_divide,
-           slot_nb_inplace_floor_divide, wrap_binaryfunc, "//"),
+           slot_nb_inplace_floor_divide, wrap_binaryfunc, "//="),
     IBSLOT("__itruediv__", nb_inplace_true_divide,
-           slot_nb_inplace_true_divide, wrap_binaryfunc, "/"),
+           slot_nb_inplace_true_divide, wrap_binaryfunc, "/="),
     NBSLOT("__index__", nb_index, slot_nb_index, wrap_unaryfunc,
            "x[y:z] <==> x[y.__index__():z.__index__()]"),
     MPSLOT("__len__", mp_length, slot_mp_length, wrap_lenfunc,