diff --git a/scripts/README.md b/scripts/README.md
index a169169..0bf890c 100644
--- a/scripts/README.md
+++ b/scripts/README.md
@@ -12,17 +12,22 @@ Set of scripts to download and generate necessary files to allow differents GNU/
 ## Scripts list
 
 ### download_debian.sh
-The script will :
+The script will provide netboot installers for all Debian (>=Stable) for both **i386** and **amd64** :
   * Store the files to **/var/lib/tftpboot** (default).
   * Download Debian Linux kernel and initrd files for all Debian distributions (Stable : **Jessie**; Testing : **Stretch**; Unstable : **Sid**) and for **i386** and **amd64** architectures.
   * Offer an example menu file to use with a TFTP server (default_path/installer/debian/menu.cfg.example).
 
 ### download_ubuntu.sh
-The script will :
+The script will provide netboot installers for the latest LTS and latest advanced Ubuntu distribution for both **i386** and **amd64** :
   * Store the files to **/var/lib/tftpboot** (default).
   * Download Ubuntu Linux kernel and initrd files for the two lasts Ubuntu distributions (LTS-16.04 : **xenial**; 15.10 : **wily**) and for **i386** and **amd64** architectures.
   * Make a symlink to access to the LTS (default_path/installer/ubuntu/lts) instead of it's codename.
 
 ### make_debian_initrd_with_firmware.sh
-
-
+The script will provide Debian's netboot installers with **additionnals firmwares** for all Debian (>=Stable) for **amd64** only :
+  * Store the files to **/var/lib/tftpboot** (default).
+  * Download Debian's initrd files for all Debian distributions (Stable : **Jessie**; Testing : **Stretch**; Unstable : **Sid**) for **amd64** architecture only.
+  * Download additionnals firmwares :
+    * bnx2 : For Broadcom NetXtremeII network adapters.
+    * linux-nonfree : For Tigon network adapters.
+  * Extract initrd and firmwares packages to build a new initrd.