diff --git a/lib/app/index.js b/lib/app/index.js
index d0b918d..d579681 100644
--- a/lib/app/index.js
+++ b/lib/app/index.js
@@ -71,7 +71,7 @@ class App
             })
             .option('port', {
                 alias: 'p',
-                describe: 'Port to use',
+                describe: 'Server port',
                 default: 1571,
                 type: 'number'
             })
@@ -101,7 +101,7 @@ class App
             })
             .option('initial-send', {
                 alias: 'i',
-                describe: 'Send current file in folder immediately',
+                describe: 'Send files in folder at start',
                 default: false,
                 type: 'boolean'
             })
diff --git a/readme.md b/readme.md
index a132752..2bd169d 100644
--- a/readme.md
+++ b/readme.md
@@ -2,7 +2,7 @@
 
 An efficient way to share your code while presenting
 
-### What is keppler
+## What is keppler
 
 Keppler lets you share your code during a presentation.
 
@@ -12,20 +12,21 @@ Keppler is easy to install and works with NodeJS.
 
 <img width="600" height="374" src="https://github.com/brunosimon/keppler/raw/master/resources/screenshots/screen-project-2.png" alt="Keppler screen">
 
-### Instructions
+## Instructions
+
+#### Requirements
 
-**Requirements**
 * [NodeJS](https://nodejs.org/en/) installed
 * Keppler installed globally
 * Viewers connected to the same network
 
-**Install Keppler globally**
+#### Install Keppler globally
 
 ```
 npm install -g keppler
 ```
 
-**Start Keppler inside the project folder**
+#### Start Keppler inside the project folder
 
 ```
 cd ./my-awesome-project
@@ -34,32 +35,58 @@ keppler "My awesome project"
 
 Share the URL that should appear with the viewers.
 
-### Current features
+#### config
+
+You can add configuration argument when calling Keppler.
+
+```
+keppler "My project" --debug 0 --port 1234 --exclude "node_modules/**" --open true --test true --initial-send true --max-file-size 99999
+```
+
+or with shortcuts
+
+```
+keppler "My project" -d 0 -p 1234 -e "node_modules/**" -oti -m 99999
+```
+
+Arguments list
+
+|name|shortcut|default value|description|
+|---|---|---|---|
+|<span style="white-space:nowrap">`--debug`</span>|`-d`|*(number)*`1`|Debug level (`0`: almost no log, `1`: some logs, `2`: many logs)|
+|<span style="white-space:nowrap">`--name`</span>|`-n`|*(string)*`No name`|Project name (you can simply add a string after `keppler` keyword like `keppler "My project"`)|
+|<span style="white-space:nowrap">`--port`</span>|`-p`|*(number)*`1571`|Server port|
+|<span style="white-space:nowrap">`--exclude`</span>|`-e`|*(string)*`**/.DS_Store,node_modules/**,vendor/**,.git`|Files to exclude|
+|<span style="white-space:nowrap">`--open`</span>|`-o`|*(bool)*`true`|Open in default browser|
+|<span style="white-space:nowrap">`--test`</span>|`-t`|*(bool)*`false`|Start a test project|
+|<span style="white-space:nowrap">`--initial-send`</span>|`-i`|*(bool)*`false`|Send files in folder at start|
+|<span style="white-space:nowrap">`--max-file-size`</span>|`-i`|*(number)*`99999`|Maximum file size in octets|
+
+## Features
+
+- Work in any modern browser
 - Files tree
 - File history/versions
 - File versions differences
 - Easy copy
 - Accessible by anyone on the same network
 - App like design
+- Syntax coloring
 - Multiple projects in one Keppler instance
 
-### Futur features
+## Futur features
 
+- Chat with possibility to associate messages with lines and files
 - Log project URL and open in default browser
 - Download file button
-- 404
-- Config file
+- Download project button
 - Keyboard navigation
 - In app notifications
 - Browser notifications
 - Toggle folder
 - Retractable sidebar
 - File searching/filtering
-- Project history
 - Tooltips
-- Open multiple files
-- Unit testing
 - Tablet compatible
-- Angular 2 or React
+- Vue.js
 - Font-size control
-- Theme control