Merge pull request #34 from InfoHunter/doc-en

Update README

README.md

@@ -4,10 +4,12 @@
 
 RustyVault is a modern secret management system, written in Rust. RustyVault provides various features which support many scenarios including secure sotrage, cloud identity management, secret management, Kubernetes integration, PKI infrastructure, cryptographic computing, traditional key management, etc.
 
-RustyVault can be deployed in either cloud or physical environments. Depending on different requirements, RustyVault may run as standalone application with a set of RESTful APIs provided, and it can also be used as crate thus you can easily integrate it into your own Rust application.
+RustyVault can be deployed in either cloud or physical environments. Depending on different requirements, RustyVault may run as standalone application with a set of RESTful APIs provided, and it can also be used as a crate thus you can easily integrate it into your own Rust application.
 
 The core cryptographic module which provides cryptography functionality to RustVault can be configurable, for instance it could be [OpenSSL](https://github.com/openssl/openssl) or [Tongsuo](https://github.com/Tongsuo-Project/Tongsuo) project depending on the actual scenarios.
 
+One of the goals of RustyVault is to replace Hashicorp Vault seamlessly if you are seeking for an OSI-approved open-source license and enterprise level features.
+
 ## Feature
 
 Part of the features provided by Rustyvault are as follows: