Issue #13165: stringbench is now available in the Tools/stringbench folder.
It used to live in its own SVN project.
diff --git a/Tools/README b/Tools/README
index c1f89ba..44050c6 100644
--- a/Tools/README
+++ b/Tools/README
@@ -32,6 +32,9 @@
                 tabs and spaces, and 2to3, which converts Python 2 code
                 to Python 3 code.
 
+stringbench     A suite of micro-benchmarks for various operations on
+                strings (both 8-bit and unicode).
+
 test2to3        A demonstration of how to use 2to3 transparently in setup.py.
 
 unicode         Tools for generating unicodedata and codecs from unicode.org