diff --git a/pep-3137.txt b/pep-3137.txt
index d68b5f217..dee7a06ae 100644
--- a/pep-3137.txt
+++ b/pep-3137.txt
@@ -73,6 +73,22 @@ so we can reuse its name for the mutable bytes type.
 While eventually it makes sense to change the C API names, this PEP
 maintains the old C API names, which should be familiar to all.
 
+Summary
+-------
+
+Here's a simple ASCII-art table summarizing the type names in various
+Python versions::
+
+    +--------------+-------------+------------+--------------------+
+    | C name       | 2.x    repr | 3.0a1 repr | 3.0a2         repr |
+    +--------------+-------------+------------+--------------------+
+    | PyUnicode    | unicode u"" | str     "" | str             "" |
+    | PyString     | str      "" | str8   s"" | bytes           "" |
+    | PyBytes      | N/A         | bytes  b"" | buffer buffer(b"") |
+    | PyBuffer     | buffer  N/A | buffer N/A | N/A                |
+    | PyMemoryView | N/A         | N/A        | memoryview     N/A |
+    +--------------+-------------+------------+--------------------+
+
 Literal Notations
 =================