diff --git a/README.md b/README.md
index 8a6a13e..022eb58 100644
--- a/README.md
+++ b/README.md
@@ -2,11 +2,11 @@
 
 1. [Overview](#overview)
 2. [Description](#description)
-    * [PXE files](#pxe_files)
-    * [Configuration files](#configuration_files)
+    * [PXE files](#pxe-files)
+    * [Configuration files](#configuration-files)
     * [Preseed](#preseed)
     * [Scripts](#scripts)
-3. [How to use it](#how_to_use_it)
+3. [How to use it](#how-to-use-it)
 4. [TODO](#todo)
 
 ## Overview
@@ -30,12 +30,22 @@ Use some bootloaders files provide by :
 
 ### Preseed
 
-### Script
+### Scripts
 
 See the [scripts's README.md][scripts readme.md] file for more informations.
 
 ## How to use it
 
+  * Put the data of this repository on the PXE server :
+    * Clone the repository with https URL or with SSH to **/var/lib/tftpboot**.
+    * Download the last archive : `wget https://git.ipr.univ-rennes1.fr/cellinfo/tftpboot/archive/master.tar.gz`
+  * Install a TFTP server (`tftpd-hpa` package for Debian's based systems or `tftp-server` for Redhat's based systems).
+  * Start the tftpd's service :
+    * `sudo service tftpd-hpa start`
+    * `sudo systemctl start tftpd-hpa`
+  * You can test if the TFTP server provide the files with a TFTP client (`tftp-hpa`) by downloading a file with the command :
+    * `tftp $IP.SRV.TFTP -c get README.md /tmp/README.md_from_tftpd_server`
+
 ## TODO
   * Add a tiny preseed file that could be load for a manual install.
 
@@ -44,5 +54,3 @@ See the [scripts's README.md][scripts readme.md] file for more informations.
 
 
 [scripts readme.md]: https://git.ipr.univ-rennes1.fr/cellinfo/tftpboot/src/master/scripts "scripts's README.md for tftpboot"
-
-
diff --git a/scripts/README.md b/scripts/README.md
index fcc97ed..e4343ed 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -1,11 +1,11 @@
 # Scripts
 
 1. [Description](#description)
-2. [Scripts list](#scripts_list)
-    * [Download Debian](#download_debian.sh)
-    * [Download Ubuntu](#dowload_ubuntu.sh)
-    * [Make Debian Initrd with Firmware](#make_debian_initrd_with_firmware.sh)
-    * [Late command](#latecommand)
+2. [Scripts list](#scripts-list)
+    * [Download Debian](#download_debiansh)
+    * [Download Ubuntu](#dowload_ubuntush)
+    * [Make Debian Initrd with Firmware](#make_debian_initrd_with_firmwaresh)
+    * [Debian late_command](#debian-late_command)
 
 ## Description
 Set of scripts to download and generate necessary files to allow differents GNU/Linux distributions to boot through the network.
@@ -36,7 +36,7 @@ The script will provide Debian's netboot installers with **additionnals firmware
     * **qlogic** : For QLogic Infiniband, SCSI, Fibre Channel/FCoE adapters.
   * Extract initrd and firmwares packages to build a new initrd.
 
-### latecommand
+### Debian late_command
 
 #### Description
 Some useful configurations after a Debian installation :