diff --git a/README.md b/README.md
index 519acb2..2d66706 100644
--- a/README.md
+++ b/README.md
@@ -27,10 +27,16 @@ services:
     build: https://git.kennel.ml/ConfrerieDuKassoulait/Botanique.git#main
     container_name: Botanique
     environment:
-      - TOKEN_DISCORD=your-token-goes-here
+      - TOKEN_DISCORD=ton-token-va-ici
     restart: unless-stopped
 ```
 
+## Variables d'environnements
+| Nom           | Commentaire   | Valeur par défaut
+| :-----------: | :-----------: | :-:
+| TOKEN_DISCORD | Token Discord | Aucune
+| LANGUAGE      | Langue du bot | en
+
 ---
 ### Références
 [Photo de profil](https://picrew.me/image_maker/1497656)
diff --git a/src/commands/misc/ping.ts b/src/commands/misc/ping.ts
index b121102..bbe8903 100644
--- a/src/commands/misc/ping.ts
+++ b/src/commands/misc/ping.ts
@@ -7,11 +7,13 @@ export default {
 		.setDescription('Pong!'),
 
 	interaction: async (interaction: CommandInteraction, client: Client) => {
+		const loc = client.locale;
+
 		const sent = await interaction.reply({ content: 'Pinging...', fetchReply: true }) as Message;
 
 		interaction.editReply(
-			`Roundtrip latency: \
+			`${loc.get('c_ping1')}: \
 ${sent.createdTimestamp - interaction.createdTimestamp}ms
-Websocket heartbeat: ${client.ws.ping}ms.`);
+${loc.get('c_ping2')}: ${client.ws.ping}ms.`);
 	},
 };
diff --git a/src/events/client/ready.ts b/src/events/client/ready.ts
index 4621ee6..2682d88 100644
--- a/src/events/client/ready.ts
+++ b/src/events/client/ready.ts
@@ -1,6 +1,8 @@
+import { Client } from 'discord.js';
+
 export const once = true;
 
 /** https://discord.js.org/#/docs/discord.js/main/class/Client?scrollTo=e-ready */
-export default async () => {
-	console.log('Connected to Discord!');
+export default async (client: Client) => {
+	console.log(client.locale.get('e_ready'));
 };
diff --git a/src/events/interactions/interactionCreate.ts b/src/events/interactions/interactionCreate.ts
index 70caa33..22a93a6 100644
--- a/src/events/interactions/interactionCreate.ts
+++ b/src/events/interactions/interactionCreate.ts
@@ -6,7 +6,7 @@ export default (interaction: Interaction, client: Client) => {
 		const command = client.commands.get(interaction.commandName);
 		if (!command) {
 			return interaction.reply({
-				content: 'Sorry, the command probably no longer exists...',
+				content: client.locale.get('e_interacreate'),
 				ephemeral: true,
 			});
 		}
diff --git a/src/index.ts b/src/index.ts
index 1457e74..0d2cf04 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -40,7 +40,7 @@ const run = async () => {
 					throw logStart(commands_name, false);
 				});
 
-			console.log(`Botanique "${client.user?.username}" v${client.config.version} started!`);
+			console.log(`Botanique "${client.user?.username}" v${client.config.version} ${client.locale.get('started')}!`);
 		})
 		.catch(() => {
 			throw logStart(client_name, false);
diff --git a/src/locales/en.json b/src/locales/en.json
new file mode 100644
index 0000000..47be44e
--- /dev/null
+++ b/src/locales/en.json
@@ -0,0 +1,10 @@
+{
+    "started": "started",
+
+	"e_interacreate": "Sorry, the command probably no longer exists...",
+
+	"e_ready": "Connected to Discord!",
+
+	"c_ping1": "Roundtrip latency",
+	"c_ping2": "Websocket heartbeat"
+}
diff --git a/src/locales/fr.json b/src/locales/fr.json
new file mode 100644
index 0000000..df1a332
--- /dev/null
+++ b/src/locales/fr.json
@@ -0,0 +1,10 @@
+{
+    "started": "démarré ",
+
+	"e_interacreate": "Désolé, la commande n'existe plus...",
+
+	"e_ready": "Connecté à Discord !",
+
+	"c_ping1": "Latence totale",
+	"c_ping2": "Latence du Websocket"
+}
diff --git a/src/utils/client.ts b/src/utils/client.ts
index 9a60300..c2f778d 100644
--- a/src/utils/client.ts
+++ b/src/utils/client.ts
@@ -1,5 +1,5 @@
 import { Client, Collection, Intents } from 'discord.js';
-import { readFileSync } from 'fs';
+import { readFileSync, existsSync } from 'fs';
 import { SlashCommandBuilder } from '@discordjs/builders';
 
 const { version } = JSON.parse(readFileSync('./package.json').toString());
@@ -9,7 +9,8 @@ declare module 'discord.js' {
     export interface Client {
 		config: {
 			version: string,
-			token_discord: string | undefined
+			token_discord: string | undefined,
+			lang: string
 		},
 		commands: Collection<
 			string,
@@ -17,7 +18,8 @@ declare module 'discord.js' {
 				data: SlashCommandBuilder,
 				interaction: (interaction: CommandInteraction, client: Client) => unknown
 			}
-		>
+		>,
+		locale: Map<string, string>
     }
 }
 
@@ -33,10 +35,45 @@ export default async () => {
 	client.config = {
 		version: version,
 		token_discord: process.env.TOKEN_DISCORD,
+		lang: process.env.LANGUAGE ?? '',
 	};
 
 	// Store the commands available
 	client.commands = new Collection();
 
+	// Store all the strings
+	client.locale = await getLocale(client);
+
 	return client;
 };
+
+
+/**
+ * Get all the strings corresponding to the locales specified in env variable
+ * @returns Collection of strings
+ */
+const getLocale = async (client: Client) => {
+	const default_lang = 'en';
+
+	// Check if there is a defined valid value
+	const lang = client.config.lang === undefined ? default_lang : existsSync(
+		`./src/locales/${client.config.lang}.json`,
+	) ? client.config.lang : default_lang;
+
+	// Fallback to default language in case lang isn't valid
+	if (client.config.lang !== lang) {
+		client.config.lang = lang;
+	}
+
+	const file: {
+		[key: string]: string
+	} = await import(
+		`../locales/${lang}.json`
+	);
+
+	return new Map(
+		Object.keys(file).map(key => {
+			return [key, file[key]];
+		}),
+	);
+};