diff --git a/getMethodsPeripheral.lua b/getMethodsPeripheral.lua
index 0c3b2f8..08dab4a 100644
--- a/getMethodsPeripheral.lua
+++ b/getMethodsPeripheral.lua
@@ -1,24 +1,51 @@
--- ask direction to get methods of a peripheral
-print("Enter the direction of the peripheral (left, right, top, bottom, front, back):")
-local direction = io.read()
-if not direction or direction == "quit" or direction == "exit" then
+local function getPeripheralDirection()
+	print("Enter the direction of the peripheral (left, right, top, bottom, front, back):")
+	local direction = io.read()
+	if not direction or direction == "quit" or direction == "exit" then
+		print("No direction specified, exiting.")
+		return
+	end
+	return direction
+end
+
+local function checkDirectionIsValid(direction)
+	if not direction or direction == "quit" or direction == "exit" then
+		print("No direction specified, exiting.")
+		return false
+	end
+	return true
+end
+
+local function getMethodsPeripheral(direction)
+	local info = peripheral.getMethods(direction)
+	return info
+end
+
+local function displayMethodsPeripheral(info)
+	local nbOfMethods = 0
+	for methodName, methodInfo in pairs(info) do
+		nbOfMethods = nbOfMethods + 1
+		if nbOfMethods > 10 then
+			print("Too many methods, please press a key to continue...")
+			event, p1 = os.pullEvent("key")
+			nbOfMethods = 0
+			term.clear()
+		end
+		print(methodName .. ' ' .. methodInfo)
+	end
+end
+
+-- main
+local direction = getPeripheralDirection()
+local isDirectionIsNotEmpty = checkDirectionIsValid(direction)
+if not isDirectionIsNotEmpty then
 	print("No direction specified, exiting.")
 	return
 end
-local info = {}
-
-info = peripheral.getMethods(direction)
-
--- list the methods from info
-
-local nbOfMethods = 0
-for methodName, methodInfo in pairs(info) do
-	nbOfMethods = nbOfMethods + 1
-	if nbOfMethods > 10 then
-		print("Too many methods, please press a key to continue...")
-		event, p1 = os.pullEvent("key")
-		nbOfMethods = 0
-		term.clear()
-	end
-	print(methodName .. ' ' .. methodInfo)
+local info = getMethodsPeripheral(direction)
+if not info then
+	print("No info found, exiting.")
+	return
 end
+
+displayMethodsPeripheral(info)
diff --git a/reactor.lua b/reactor.lua
index 9daeafb..199dba5 100644
--- a/reactor.lua
+++ b/reactor.lua
@@ -1 +1,3 @@
-test
+-- File to get info about Powah reactor
+-- Info need to have:
+-- MaxEnergyStorage, ActualTemp, Storage of uraninite, Storage of Coal, Ice, Redstone (+ value about property of this item)
diff --git a/update.lua b/update.lua
index d92aaed..cf345ef 100644
--- a/update.lua
+++ b/update.lua
@@ -1,6 +1,8 @@
+-- Script pour télécharger un fichier depuis un repo git (CC TWEAKED Minecraft)
+
 local function downloadFile(url, dest)
     local response = http.get(url)
-	local scriptLuaPath = "scriptLua/" .. dest
+    local scriptLuaPath = "scriptLua/" .. dest
     if response then
         local file = io.open(scriptLuaPath, "wb")
         file:write(response.readAll())
@@ -11,21 +13,28 @@ local function downloadFile(url, dest)
     end
 end
 
--- Demander à l'utilisateur la destination du fichier
-print("Entrez le chemin de destination du fichier (ex: script.lua):")
-local fileToUpdate = io.read() -- Lire l'entrée de l'utilisateur
--- Si l'utilisateur tape un espace dans le nom le remplacer par underscore
-fileToUpdate = fileToUpdate:gsub(" ", "_")
--- Vérifier que l'utilisateur a bien entré quelque chose
-if fileToUpdate == nil or fileToUpdate == "" then
-	print("Aucune destination spécifiée, sortie du programme.")
-	return
-end
-if fileToUpdate == "exit" or fileToUpdate == "quit" then
-	print("Sortie du programme.")
-	return
+
+local function getFileName()
+    print("Entrez le chemin de destination du fichier (ex: script.lua):")
+    local fileToUpdate = io.read()
+    fileToUpdate = fileToUpdate:gsub(" ", "_")
+    return fileToUpdate
 end
 
-local DOWNLOAD_URL = "https://git.devconcept.pro/Neoblacks/scriptLua/raw/branch/main/" .. fileToUpdate
+local function checkFileNameIsNotEmpty(fileName)
+    if fileName == nil or fileName == "" or fileName == "exit" or fileName == "quit" then
+        print("Aucune destination spécifiée, sortie du programme.")
+        return false
+    end
+    return true
+end
 
-downloadFile(DOWNLOAD_URL, fileToUpdate)
+
+--main
+local fileName = getFileName()
+local fileNameIsNotEmpty = checkFileNameIsNotEmpty(fileName) -- boolean
+if not fileNameIsNotEmpty then
+    return
+end
+local DOWNLOAD_URL = "https://git.devconcept.pro/Neoblacks/scriptLua/raw/branch/main/" .. fileName
+downloadFile(DOWNLOAD_URL, fileName)