diff -r 000000000000 -r 6474c204b198 tools/rb/README
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/rb/README	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,6 @@
+This is the Refcount Balancer.  See
+http://www.mozilla.org/performance/refcnt-balancer.html for documentation.
+
+Previous CVS history for the perl scripts is available at:
+http://www.mozilla.org/webtools/bonsai/cvslog.cgi?file=mozilla-org/html/performance/find-leakers.pl&rev=&root=/cvsroot/
+http://www.mozilla.org/webtools/bonsai/cvslog.cgi?file=mozilla-org/html/performance/make-tree.pl&rev=&root=/cvsroot/