diff --git a/documentation/src/01-introduction.md b/documentation/src/01-introduction.md
index dc8b898..949e692 100644
--- a/documentation/src/01-introduction.md
+++ b/documentation/src/01-introduction.md
@@ -4,9 +4,9 @@ title: Introduction
 hide_title: true
 ---
 
-# Introduction
+## Introduction
 
-## What is Filecoin.js
+### What is Filecoin.js
 
 The filecoin.js library aims to be a complete library for interacting with local or remote Filecoin nodes.
 
diff --git a/documentation/src/02-installing.md b/documentation/src/02-installing.md
index 3bf4efd..cd4e15a 100644
--- a/documentation/src/02-installing.md
+++ b/documentation/src/02-installing.md
@@ -4,33 +4,32 @@ title: Adding Filecoin.js
 hide_title: true
 ---
 
-# Adding Filecoin.js
+## Adding Filecoin.js
 
 In this section, we will show how to add Filecoin.js library to your web application.
 
-## NodeJS
+### Node.js
+
+#### Step 1: Install Filecoin.js
 
-**Step 1:** Install Filecoin.js using [yarn](https://classic.yarnpkg.com/en/package/jest)
 ```shell
+$ npm install filecoin.js
 // or
 $ yarn add filecoin.js
 ```
-or [npm](https://www.npmjs.com/)
-```shell
-$ npm install filecoin.js
-```
 
-**Step 2:** Import module using node.js require or ES6 synthax
+#### Step 2: Import module using node.js require or ES6 syntax
+
 ```javascript
-const {  } = require("filecoin.js");
+const filecoin = require("filecoin.js");
 // or
-import {  } from "filecoin.js";
+import * as filecoin from "filecoin.js";
 ```
 
-## Browser
+### Browser
 
-For using Filecoin.js library in broswer, include the core library in your HTML file and you're ready to go!
+For using Filecoin.js library in browser, include the core library in your HTML file and you're ready to go!
 
 ```html
-<script type="text/javascript" src="https://unpkg.com/filecoin.js"></script>
+<script type="text/javascript" src="https://unpkg.com/filecoin.js" />
 ```
diff --git a/documentation/src/03-guides-example.md b/documentation/src/03-guides-example.md
index c667c7d..86efb9d 100644
--- a/documentation/src/03-guides-example.md
+++ b/documentation/src/03-guides-example.md
@@ -4,37 +4,58 @@ title: Guides example
 hide_title: true
 ---
 
-# Guides example
+## Guides example
 
-Node JavaScript/TypeScript:
+Before getting into coding, you are going to have to start a [Lotus](https://lotus.filecoin.io/lotus/install/prerequisites/) node. To get started quickly, you can use a [hosted node by Glif](https://api.node.glif.io/). In this example, we can use a RPC endpoint for calibration net:
 
-```javascript
-import { HttpJsonRpcConnector, LotusClient } from 'filecoin.js';
+```shell
+https://api.calibration.node.glif.io/rpc/v0
+```
 
-(async () => {
+### Node.js and front-end frameworks
 
-  const httpConnector = new HttpJsonRpcConnector({ url: __LOTUS_HTTP_RPC_ENDPOINT__, token: __LOTUS_AUTH_TOKEN__ });
+You can use ES6 style and/or use it in your Typescript.
 
+```javascript
+import { HttpJsonRpcConnector, LotusClient } from 'filecoin.js';
+
+(async() => {
+  const httpConnector = new HttpJsonRpcConnector('https://api.calibration.node.glif.io/rpc/v0');
   const lotusClient = new LotusClient(httpConnector);
   const version = await lotusClient.common.version();
-  console.log(version);
-
-})().then().catch();
+  console.log(`Hello, Filecoin.js v${version}`);
+})();
 ```
 
-Browser:
+#### Node.js polyfill
+
+> ⚠️ Because many Node.js dependencies are not
+> compatible on the front end, if you faced an issue like
+> [this](https://github.com/filecoin-shipyard/filecoin.js/issues/57),
+> chances are you will have to add a [polyfills](https://www.npmjs.com/package/vite-plugin-node-polyfills) as a dependency.
+
+### Browser
+
+Just drop Filecoin.js into the `<script>` tag and you're ready to go.
 
 ```html
-<script type="text/javascript" src="https://unpkg.com/filecoin.js"></script>
+<script type="text/javascript" src="https://unpkg.com/filecoin.js" />
 <script type="text/javascript">
-(async () => {
+  (async () => {
+    const httpConnector = new FilecoinJs.HttpJsonRpcConnector('https://api.calibration.node.glif.io/rpc/v0');
 
-  const httpConnector = new FilecoinJs.HttpJsonRpcConnector({ url: __LOTUS_HTTP_RPC_ENDPOINT__, token: __LOTUS_AUTH_TOKEN__ });
+    const lotusClient = new FilecoinJs.LotusClient(httpConnector);
+    const version = await lotusClient.common.version();
+    console.log(version);
+  })();
+</script>
+```
 
-  const lotusClient = new FilecoinJs.LotusClient(httpConnector);
-  const version = await lotusClient.common.version();
-  console.log(version);
+If you run your own node, you will have to provide an argument of type [`JsonRpcConnectionOptions`](https://filecoin-shipyard.github.io/filecoin.js/docs/api/filecoin.js.httpjsonrpcconnector._constructor_) to [`HttpJsonRpcConnector`](https://filecoin-shipyard.github.io/filecoin.js/docs/api/filecoin.js.httpjsonrpcconnector) constructor.
 
-})().then().catch();
-</script>
+```js
+const httpConnector = new HttpJsonRpcConnector({
+  url: __LOTUS_HTTP_RPC_ENDPOINT__,
+  token: __LOTUS_AUTH_TOKEN__,
+});
 ```
diff --git a/documentation/src/08-setup-mnemonic-provider.md b/documentation/src/08-setup-mnemonic-provider.md
index 261e61c..a054195 100644
--- a/documentation/src/08-setup-mnemonic-provider.md
+++ b/documentation/src/08-setup-mnemonic-provider.md
@@ -5,10 +5,15 @@ hide_title: true
 ---
 
 # Setup mnemonic provider
+
 Node JavaScript/TypeScript:
 
 ```javascript
-import { HttpJsonRpcConnector, MnemonicWalletProvider } from 'filecoin.js';
+import {
+  HttpJsonRpcConnector,
+  LotusClient,
+  MnemonicWalletProvider,
+} from 'filecoin.js';
 
 (async () => {
 
@@ -27,7 +32,7 @@ import { HttpJsonRpcConnector, MnemonicWalletProvider } from 'filecoin.js';
   console.log(myAddress);
   // f1zx43cf6qb6rd...
 
-})().then().catch();
+})();
 ```
 
 Browser: