update readme

README.md

@@ -2,17 +2,6 @@
 
 EthereumKit is a Swift framework that enables you to create Ethereum wallet and use it in your app.
 
-## Features
-- Mnemonic recovery phrease in [BIP39](https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki)
-- [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)/[BIP44](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki) HD wallet
-- [EIP55](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md) format address encoding
-- [EIP155](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md) replay attack protection
-- Sign transaction
-
-## How to Use
-
-### Wallet
-
 ```swift
 // BIP39: Generate seed and mnemonic sentence.
 let mnemonic = Mnemonic.create()
@@ -23,6 +12,13 @@ let wallet = Wallet(seed: seed, network: .main)
 let address = wallet.generateAddress(at: 0)
 ```
 
+## Features
+- Mnemonic recovery phrease in [BIP39](https://github.com/bitcoin/bips/blob/master/bip-0039.mediawiki)
+- [BIP32](https://github.com/bitcoin/bips/blob/master/bip-0032.mediawiki)/[BIP44](https://github.com/bitcoin/bips/blob/master/bip-0044.mediawiki) HD wallet
+- [EIP55](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-55.md) format address encoding
+- [EIP155](https://github.com/ethereum/EIPs/blob/master/EIPS/eip-155.md) replay attack protection
+- Sign transaction
+
 ## Documentations
 
 - [Getting Started](Documentation/GettingStarted.md)