From cdbfb2f05bbaa992a03bbd511867b7f158e80fcb Mon Sep 17 00:00:00 2001
From: c9s <yoanlin93@gmail.com>
Date: Sun, 18 May 2014 09:31:08 +0800
Subject: [PATCH] update README

---
 README.md | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 8bba4e1..d9cc2d5 100644
--- a/README.md
+++ b/README.md
@@ -140,6 +140,8 @@ Install
     make check # run tests
     sudo make install
 
-
+### Enable Graphviz
+
+    ./configure --enable-graphviz