diff --git a/README.md b/README.md
new file mode 100644
index 0000000..08caddf
--- /dev/null
+++ b/README.md
@@ -0,0 +1,31 @@
+# Ruche manager
+
+![ruche-manager profile pic](./data/profile.png)
+
+Mange la ruche.
+
+---
+
+## Description
+
+Bot gestionnaire de devoirs, spécialisé pour la majeure SSIE.
+
+## Usage
+
+### Dépendance
+
+- deno
+    installer via votre package manager :
+    - windows : `winget install deno`
+    - archlinux : `sudo pacman -S deno`
+    - debian : `sudo apt install deno`
+    - autre : téléchargeable ici : https://deno.land/
+
+### Exécution
+
+1. Token
+    - Récupérer un token pour Bot discord, d'une application ayant les permissions d'exécuter des interractions et écrire des messages.
+    - Écrire le token dans un fichier `./token`
+
+2. Lancer
+    - `./src/bot.ts ./token`
diff --git a/src/bot.ts b/src/bot.ts
index a617bc4..fddc05d 100755
--- a/src/bot.ts
+++ b/src/bot.ts
@@ -1,5 +1,8 @@
 #!/bin/env -S deno run -A --unstable-kv
 
+import { assertExists } from "https://deno.land/std@0.223.0/assert/assert_exists.ts";
+import { assert } from "https://deno.land/std@0.223.0/assert/assert.ts";
+
 import {
 	AutocompleteInteraction,
 	ChatInputCommandInteraction,
@@ -25,14 +28,14 @@ const subjects = new Set([
 	"Sûreté",
 ]);
 
+const feed_channel_id = "871779571064778784";
+
 async function main() {
-	const [token] = Deno.args;
+	const [token_file] = Deno.args;
+	const token = (await Deno.readTextFile(token_file)).trim();
 
 	const storage = await Storage.open("./local/db");
 	const bot = new Client({ intents: ["GuildMessages", "Guilds"] });
-	const feed_channel = await bot.channels.fetch("871779571064778784");
-	assertExists(feed_channel);
-	assert(feed_channel instanceof TextChannel);
 	const update_display = channel();
 
 	bot.on("interactionCreate", async (interaction) => {
@@ -43,6 +46,11 @@ async function main() {
 	log("Logging in ...");
 	await bot.login(token);
 	log("Logged in as", bot.user?.username);
+
+	const feed_channel = await bot.channels.fetch(feed_channel_id);
+	assertExists(feed_channel);
+	assert(feed_channel instanceof TextChannel);
+
 	const commands = build_api_commands(subjects);
 	await bot.application?.commands.set([]);
 	await bot.application?.commands.set(commands, "871777993922588712");
@@ -197,9 +205,6 @@ async function handle_autocomplete(interaction: AutocompleteInteraction, storage
 	log("Unknown command", interaction.commandName);
 }
 
-import { assertExists } from "https://deno.land/std@0.223.0/assert/assert_exists.ts";
-import { assert } from "https://deno.land/std@0.223.0/assert/assert.ts";
-
 async function update_loop(bot: Client, storage: Storage, update_display: Channel, feed_channel: TextChannel) {
 	log("Waiting for updates.");
 	while (true) {
@@ -220,20 +225,18 @@ async function update_loop(bot: Client, storage: Storage, update_display: Channe
 
 const _1min = 60 * 1000;
 const _24h = 24 * 60 * _1min;
+const _3d = 3 * _24h;
 
 async function notification_loop(bot: Client, storage: Storage, feed_channel: TextChannel) {
 	while (true) {
 		const devoirs_to_notify = new Set();
-		const notification_threshold = _24h;
+		const notification_threshold = _3d;
 		for await (const [devoir_id, devoir] of storage.devoirs.list()) {
 			if (Date.now() - devoir.date < notification_threshold) devoirs_to_notify.add(devoir_id);
 		}
 
 		for await (const [notification_id, notification] of storage.notifications.list()) {
 			if (!devoirs_to_notify.has(notification.devoir_id)) {
-				const channel = await bot.channels.fetch("e");
-				assert(channel !== null);
-				assert(channel.isTextBased());
 				try {
 					const message = await feed_channel.messages.fetch(notification.message_id);
 					await message.delete();