diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,4 +2,9 @@
 [![Build Status](https://travis-ci.org/Prodesire/pylib.svg?branch=master)](https://travis-ci.org/Prodesire/pylib)
 [![Coverage Status](https://coveralls.io/repos/github/Prodesire/pylib/badge.svg?branch=master)](https://coveralls.io/github/Prodesire/pylib?branch=master)
 
-Useful utils, data structure for Python 2 and 3.
+**pylib** (python library) is a library of useful data structures and utils
+for Python 2 and 3, which collected from open source projects and created by
+contributors.
+
+It is with Python versions from **2.7 to 3.6**.
+