diff --git a/README.md b/README.md
index b881e10..70cd2a1 100644
--- a/README.md
+++ b/README.md
@@ -10,22 +10,22 @@ python modules:
 
 ## Install
 
-pip install -r requirements.txt
+pip3 install -r requirements.txt
 
 ## Usage
 
-python websocket2minitel.py <websocketURL> <serialPort> <serialSpeed>
+python3 websocket2minitel.py <websocketURL> <serialPort> <serialSpeed>
 
 ## Examples
 
 Connect to 3615co.de and display at 1200 bps
 
-`python websocket2minitel.py 'wss://3615co.de/ws' /dev/ttyUSB0 1200`
+`python3 websocket2minitel.py 'wss://3615co.de/ws' /dev/ttyUSB0 1200`
 
 Connect to 3611.re (Annuaire Electronique re-creation)
 
-`python websocket2minitel.py 'ws://3611.re/ws' /dev/ttyUSB0 1200`
+`python3 websocket2minitel.py 'ws://3611.re/ws' /dev/ttyUSB0 1200`
 
 Connect to 3614 HACKER revival and display at 4800 bps (Minitel 1 bistandard and above)
 
-`python websocket2minitel.py 'ws://mntl.joher.com:2018' /dev/ttyUSB0 4800`
+`python3 websocket2minitel.py 'ws://mntl.joher.com:2018' /dev/ttyUSB0 4800`