diff --git a/README b/README
index d9920809e77924bf5ebfaf8de102a1bacad0b4fc..45f886f44a742d8d1b6eaad06a0186fe0448b225 100644
--- a/README
+++ b/README
@@ -12,7 +12,8 @@ Installation:
 
 Requirements:
 
-    python2
+    python3
+    python-numpy
 
 Usage instructions:
 
@@ -24,8 +25,8 @@ Usage instructions:
     As default both IPv4 and IPv6 loopback devices are provided in the code,
     use these as a starting ground for your use-case.
 
-    Start UDP_reflector.py first: python(2) UDP_reflector.py
-    Start UDP_client_server.py: python(2) UDP_client_server.py
+    Start UDP_reflector.py first: python(3) UDP_reflector.py
+    Start UDP_client_server.py: python(3) UDP_client_server.py
 
     Stop with CTRL+C