diff --git a/README.md b/README.md
index add6a95..50d2487 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # itconfig
 [![Build Status](https://travis-ci.org/icetemple/itconfig-rs.svg?branch=master)](https://travis-ci.org/icetemple/itconfig-rs)
 [![Documentation](https://docs.rs/itconfig/badge.svg)](https://docs.rs/itconfig)
-[![Crates.io](https://img.shields.io/badge/crates.io-v0.7.0-orange.svg?longCache=true)](https://crates.io/crates/itconfig) 
+[![Crates.io](https://img.shields.io/badge/crates.io-v0.7.1-orange.svg?longCache=true)](https://crates.io/crates/itconfig) 
 [![Join the chat at https://gitter.im/icetemple/itconfig-rs](https://badges.gitter.im/icetemple/itconfig-rs.svg)](https://gitter.im/icetemple/itconfig-rs?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 Easy build a configs from environment variables and use it in globally.
@@ -9,6 +9,15 @@ Easy build a configs from environment variables and use it in globally.
 We recommend you start with the [documentation].
 
 
+## Motivation
+
+I began to use rust with web programming experience where environment variables are widely used 
+and often there are more then 50 of them. First I looked at already created libraries. 
+But there it's necessary to initialise structure that needs to be moved to each function 
+where you need variable. It uses little bit memory, but configuration lifetime is as long 
+as application lifetime. Because of it I decided to create my own library.
+
+
 ## Example usage
 
 ```rust
@@ -68,6 +77,10 @@ cargo test
 * [x] Support feature config and other meta directives
 * [x] Add default value to env if env is not found
 * [x] Concat env variables to one variable
+* [ ] Add nested namespaces
+* [ ] Support array type
+* [ ] Support hashmap type
+* [ ] Support custom env type
 
 
 ## License
diff --git a/itconfig/Cargo.toml b/itconfig/Cargo.toml
index 49f5f98..7956b71 100644
--- a/itconfig/Cargo.toml
+++ b/itconfig/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "itconfig"
-version = "0.7.0"
+version = "0.7.1"
 authors = ["Dmitriy Pleshevskiy <dmitriy@ideascup.me>"]
 description = "Easy build a configs from environment variables and use it in globally."
 categories = ["config", "web-programming"]
diff --git a/itconfig/README.md b/itconfig/README.md
index bb51f80..3e92abc 100644
--- a/itconfig/README.md
+++ b/itconfig/README.md
@@ -58,6 +58,10 @@ fn main () {
 * [x] Support feature config and other meta directives
 * [x] Add default value to env if env is not found
 * [x] Concat env variables to one variable
+* [ ] Add nested namespaces
+* [ ] Support array type
+* [ ] Support hashmap type
+* [ ] Support custom env type
 
 
 ## License