From 5a2e8c9cc03139d63681154fb2e8cb046b076c6b Mon Sep 17 00:00:00 2001
From: Andrea Censi <andrea@cds.caltech.edu>
Date: Fri, 22 Nov 2013 16:53:12 -0500
Subject: [PATCH] Update README.md

---
 README.md | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c1404a4..9e1f00f 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,7 @@
-For more information about theC(canonical) Scan Matcher, see the webpage: http://purl.org/censi/2007/csm.
\ No newline at end of file
+For more information about the C(anonical) Scan Matcher, see the webpage: http://purl.org/censi/2007/csm.
+
+Note: there are two branches on the repository. The "master" branch uses GSL.
+
+This is the ``csm_eigen`` branch, which uses the ``eigen`` library. 
+This branch is the work of people working at U. Freiburg and Kuka, 
+including Christoph Sprunk and Rainer Kuemmerle.
-- 
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