diff --git a/fullusb.sh b/fullusb.sh
index df70a39..b1afc1b 100755
--- a/fullusb.sh
+++ b/fullusb.sh
@@ -1,7 +1,8 @@
 #!/bin/bash
-# script to copy data on usb keys
+# Script to copy data on usb keys
 
-# dependances : aptitude install ncurses-bin parted dosfstools (mlabel devenu inutile)
+# dependencies : aptitude install ncurses-bin parted dosfstools
+# mlabel is now useless
 
 # text color in bash
 normal=$(tput sgr0)
@@ -11,12 +12,11 @@ green=$(tput setaf 2)
 # dependencies check
 i=0
 for arg in "tput" "parted" "mkdosfs"; do
-
-hash "${arg}"
-if [[ $? -gt 0  ]]; then
-	printf "%40s\n" "${red}Error: Could not find \"$arg\" application.${normal}";
-	i=$((i+1))
-fi
+	hash "${arg}"
+	if [[ $? -gt 0  ]]; then
+		printf "%40s\n" "${red}Error: Could not find \"$arg\" application.${normal}";
+		i=$((i+1))
+	fi
 done
 [[ $i -eq 0 ]] || exit $i
 
@@ -54,29 +54,29 @@ case $keysearchid in
 				# if $keysearchid=1: for i in 1
 				# if $keysearchid=2: for i in 1 2
 			do
-				[[ $i == 1 ]] && k="sdb" || k="sdc" # if 3 or more keys this line has to be adapt
-				parted -s /dev/$k mklabel msdos
-				parted /dev/$k mkpart -a optimal primary fat32 0% 100%
-				mkdosfs -F 32 -I -n $keylabel /dev/${k}1
-				# fatlabel /dev/${k}1 $keylabel # Cette commande est remplacée par l’option -n de la commande précédente
-				mkdir "${mountpath}"$k
-				mount /dev/${k}1 "${mountpath}"$k
-				cp -r $wherethefilesare/* "${mountpath}"$k/
+				[[ $i == 1 ]] && device="sdb" || device="sdc" # if 3 or more keys this line has to be adapt
+				parted -s /dev/"${device}" mklabel msdos
+				parted /dev/"${device}" mkpart -a optimal primary fat32 0% 100%
+				mkdosfs -F 32 -I -n $keylabel /dev/"${device}"1
+				# fatlabel /dev/${device}1 $keylabel # Cette commande est remplacée par l’option -n de la commande précédente
+				mkdir "${mountpath}""${device}"
+				mount /dev/"${device}"1 "${mountpath}""${device}"
+				cp -r $wherethefilesare/* "${mountpath}""${device}"/
 				sync
 				# Generate the md5sum for the mountpoint
-				pushd "${mountpath}""${k}"
+				pushd "${mountpath}""${device}"
 				find . -type f -exec md5sum {} \; | sort > "${destmd5}"
 				popd
 				# Umount the key
-				umount "${mountpath}"$k
-				rmdir "${mountpath}"$k
+				umount "${mountpath}""${device}"
+				rmdir "${mountpath}""${device}"
 				# Compare the md5sum
 				diff -q "${sourcemd5}" "${destmd5}"
 				if [[ $? -gt 0  ]]; then
 					printf "%40s\n" "${red}Error: MD5 diff detected.${normal}";
 					exit 1
 				else
-					printf "%40s\n" "${green}MD5 check OK for ${k}.${normal}"
+					printf "%40s\n" "${green}MD5 check OK for ${device}.${normal}"
 				fi
 			done
 			printf "%40s\n" "${green}DONE${normal}"