Add information to install and use

2 files changed, 41 insertions, 2 deletions

diff --git a/README.md b/README.md
index 97bad79..60c80ae 100644
--- a/README.md
+++ b/README.md
@@ -15,10 +15,49 @@ Wich leads to :
 
 ![Screenshot](https://raw.githubusercontent.com/arobase-che/remark-line-input/master/images/example_1.png)
 
+You must use at least 2 underscores, and no spaces are allowed between the opening bracket and the first underscore nor between the last underscore and the closing bracket. Spaces can be used in the placeholder :
+
+```markdown
+[___hold my beer___]
+```
 
 ## Installation
 
-Not ready at the moment.
+Easy as npm i
+
+```shell
+$ npm install remark-line-input
+```
+
+You install also that plugins : "unified remark-parse rehype-stringify remark-rehype"
+```shell
+$ npm install unified remark-parse rehype-stringify remark-rehype
+```
+
+## Usage
+
+An example of code :
+
+```js
+const unified = require('unified')
+const remarkParse = require('remark-parse')
+const stringify = require('rehype-stringify')
+const remark2rehype = require('remark-rehype')
+
+const lineInput = require('remark-line-input')
+
+const testFile = `Login : [__email or username__]{#login}
+Passwd: [__Passwd__]{#password type=password}`
+
+unified()
+  .use(remarkParse)
+  .use(lineInput)
+  .use(remark2rehype) 
+  .use(stringify)
+  .process( testFile, (err, file) => {
+    console.log(String(file));
+  } );
+```
 
 
 ## Configuration
diff --git a/package.json b/package.json
index bd021b6..1ab002f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "remark-line-input",
-  "version": "0.1.0",
+  "version": "0.3.1",
   "description": "A remark plugin to parse line input syntax",
   "main": "app.js",
   "scripts": {