diff --git a/README.md b/README.md
index 14b69a1..b5e4ff4 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,11 @@
 # edsmAround
 
 Shitty code to see what's around in Elite Dangerous. Uses EDSM data. 
-To use, open the file and modify the Sector Name. Then run with python3
+
+Usage : 
+```python3 edsmAround.py [OPTIONS]```
+
+Description :
+
+-i : enable interactive mode, user enter values via the CLI instead of writing them in the script."
+