diff --git a/README.md b/README.md
index a572f55..5abe2e9 100644
--- a/README.md
+++ b/README.md
@@ -12,7 +12,7 @@ $ pip install -r requirements.txt
 ### Run
 
 ```
-$ Python main.py
+$ python main.py
 ```
 
 ### Help
@@ -20,3 +20,8 @@ $ Python main.py
 ```
 $ python main.py --help
 ```
+
+### Python versions supported ?
+```
+Only tested Python versions 2.7.12 and 3.5.2 on Ubuntu 16.04. 
+```