From 44e6e57823387df9ef7ca72f0188e44d37bed57f Mon Sep 17 00:00:00 2001
From: jjy <jjyruby@gmail.com>
Date: Sun, 2 Feb 2020 20:33:08 +0800
Subject: [PATCH] update README

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

diff --git a/README.md b/README.md
index 4a64bc9..17ba1b2 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,14 @@
 
 A generalized merkle mountain range implementation.
 
+**Notice** this library is not stable yet, API and proof format may changes. Make sure you know what you do before using this library.
+
+## Features
+
+* Leaves accumulation
+* Multi leaves merkle proof
+* Accumulate from last leaf's merkle proof
+
 ## Construct
 
 ``` txt