diff --git a/.env.example b/.env.example
index 9042e8f..db1cd4c 100644
--- a/.env.example
+++ b/.env.example
@@ -1,6 +1,6 @@
 # Token of the Discord bot
 BOT_TOKEN=
-# Log level (see logging library, defaults to INFO if not defined)
+# Log level (see logging library, defaults to INFO if not defined or invalid)
 LOG_LEVEL=DEBUG
 # Server host and port to check if the bot is up
 SERVER_HOST=localhost
diff --git a/.gitignore b/.gitignore
index 5656ffd..38ba337 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,12 +1,15 @@
-# Ignore the dotenv
+# Dotenv file
 *.env
 
-# Ignore IDE folder
+# IDE folder
 .idea/
 .vscode/
 
-# Ignore Python's cache
+# Python's venv
+venv/
+
+# Python's cache
 __pycache__/
 
-# Ignore the logs folder
+# Logs folder
 logs/
diff --git a/README.md b/README.md
index 133a5d6..8ededd9 100644
--- a/README.md
+++ b/README.md
@@ -3,12 +3,12 @@
 [![Python lint](https://github.com/Zalk0/ChouetteBot-discord/actions/workflows/python-app.yml/badge.svg?branch=main)](https://github.com/Zalk0/ChouetteBot-discord/actions/workflows/python-app.yml)
 
 Just some random project of doing a Discord bot using [discord.py](https://github.com/Rapptz/discord.py).  
-You need to have Python 3.11 because I use a function that was introduced in this version (in the logging library) !
+You need to have Python 3.8 or higher installed (required by discord.py) !
 
-Clone the projet and install the requirements :
+Clone the projet and install the requirements (preferably in a [venv](https://packaging.python.org/en/latest/guides/installing-using-pip-and-virtual-environments)) :
 
 ```
-git clone https://github.com/Zalk0/ChouetteBot-discord.git
+git clone git@github.com:Zalk0/ChouetteBot-discord.git
 cd ChouetteBot-discord
 pip install -r requirements.txt
 ```
@@ -18,7 +18,7 @@ Before launching the bot, you need to fill in a **`.env`** file (using the [temp
 I provide in the repo) and put a Discord bot token inside.  
 To have one, go to the [Discord Developer Portal](https://discord.com/developers) and create a new application.  
 Go to the Bot section and click the Reset Token button, you can now claim the token.  
-You also have to enable all the Privileged Gateway Intents as I assume they're enabled in the code.
+You also have to enable all the Privileged Gateway Intents as I assume they're enabled in the code (or change them).
 
 ---
 After having done all this you can launch the bot :
diff --git a/bot.py b/bot.py
index f63b084..1d46031 100644
--- a/bot.py
+++ b/bot.py
@@ -19,7 +19,8 @@ def __init__(self):
 
         # Define the bot debug log level
         self.bot_logger = logging.getLogger('bot')
-        self.bot_logger.setLevel(logging.getLevelNamesMapping().get(self.config['LOG_LEVEL']) or logging.INFO)
+        log_level = logging.getLevelName(self.config['LOG_LEVEL'])
+        self.bot_logger.setLevel(log_level if isinstance(log_level, int) else logging.INFO)
 
         # Set intents for the bot
         intents = discord.Intents.all()
@@ -98,9 +99,8 @@ async def start_server(self):
 
         # Set some basic headers for security
         headers = {
-            "X-Frame-Options": "DENY",
             "X-Content-Type-Options": "nosniff",
-            "Content-Security-Policy": "default-src 'self'; frame-ancestors 'none'"
+            "Content-Security-Policy": "default-src 'none'; frame-ancestors 'none'"
         }
 
         # Remove the Server header and apply the headers