From 76a303f5f3e5a53e015aae36e16e275fb52e97de Mon Sep 17 00:00:00 2001
From: Lu Wang <coolwanglu@gmail.com>
Date: Mon, 24 Sep 2012 00:34:21 +0800
Subject: [PATCH] README

---
 README.md | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/README.md b/README.md
index 3f8d432..08cf3e4 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,8 @@ I have tested with CYGWIN without any problem, and I believe it also works on Mi
  * Install poppler-data if your want CJK support
 * fontforge (with header files)
  * git version is recommended to avoid annoying compilation issues
+* [Optional] ttfautohint
+ * use --external-hint-tool=ttfautohint to enable it
 
 #### Compiling