Update README.md

README.md

@@ -11,7 +11,7 @@
              [![Tweet](https://img.shields.io/twitter/url/http/shields.io.svg?style=social)](https://twitter.com/intent/tweet?text=A%20good,%20solid%20app%20to%20keep%20your%20keys%20safe.&url=https://keychain.array.io/&via=ProjectArray&hashtags=cybersecurity,private,cryptography,blockchain,app) [![Contributions welcome](https://img.shields.io/badge/contributions-welcome-orange.svg)](https://github.com/arrayio/array-io-keychain#contributing-to-the-project)
 [![License](https://img.shields.io/badge/license-MIT-blue.svg)](https://github.com/arrayio/array-io-keychain/blob/master/LICENSE.md) [![npm version](https://badge.fury.io/js/web3override.svg)](https://badge.fury.io/js/web3override) 
 
-<p align="center"><strong><a href="https://github.com/arrayio/array-io-keychain/releases/download/0.20/KeyChain.Installer.zip">» Download for macOS «</a> </strong></p>
+<p align="center"><strong><a href="https://github.com/arrayio/array-io-keychain/releases/download/0.21/KeyChain.Installer.zip">» Download for macOS «</a> </strong></p>
 
 <p align="center"><strong><a href="https://avvrik.github.io/KeyChain/">» Documentation «</a></strong></p>
 
@@ -34,7 +34,7 @@
 
 ## Installation
 
-Download and install KeyChain for [macOS](https://github.com/arrayio/array-io-keychain/releases/download/0.20/KeyChain.Installer.zip). Windows and Linux installers are coming soon.
+Download and install KeyChain for [macOS](https://github.com/arrayio/array-io-keychain/releases/download/0.21/KeyChain.Installer.zip). Windows and Linux installers are coming soon.
 
 *Try out KeyChain on the [demo page](https://arrayio.github.io/array-io-keychain/demo/).*
 
@@ -48,7 +48,7 @@ You can find a comprehensive installation guide for [macOS](https://github.com/a
 
 ## Getting started
 
-After you have installed [KeyChain](https://github.com/arrayio/array-io-keychain/releases/download/0.20/KeyChain.Installer.zip), you can start using it with web3. Just follow these simple steps.
+After you have installed [KeyChain](https://github.com/arrayio/array-io-keychain/releases/download/0.21/KeyChain.Installer.zip), you can start using it with web3. Just follow these simple steps.
 
 NB: If you launch KeyChain for the first time, you need to get a public key with the "select_key" command. You can save the public key to local storage. Then you will not need to use "select_key" command again.
 
@@ -110,6 +110,7 @@ There you will find:
 - [KeyChain Protocol](https://github.com/arrayio/array-io-keychain/wiki/KeyChain-Protocol): full comprehensive descriptions of the KeyChain commands.
 - [KeyChain sample commands](https://github.com/arrayio/array-io-keychain/wiki/KeyChain-sample-commands): shortcut to using the commands.
 - [Pipe API](https://github.com/arrayio/array-io-keychain/wiki/Pipe-API): integrating KeyChain through pipe.
+- [Restore your keys with master key](https://github.com/arrayio/array-io-keychain/wiki/Restore-your-keys-with-master-key)
 - [Security](https://github.com/arrayio/array-io-keychain/wiki/Security): why KeyChain is highly secure.
 - [Troubleshooting](https://github.com/arrayio/array-io-keychain/wiki/Troubleshooting): error handling, log files, debugging.
 - [Useful reference](https://github.com/arrayio/array-io-keychain/wiki/Useful-reference): external links.