diff --git a/script/game_serve.py b/script/game_serve.py
index 45e091c..dfdab5d 100644
--- a/script/game_serve.py
+++ b/script/game_serve.py
@@ -27,6 +27,7 @@ try:
 except ImportError:
     print("mUDP module not found.   pip install -U mudp")
     print("If launching, venv run source venv/bin/activate and then  pip install -U mudp")
+    print("use deactivate to exit venv when done")
     exit(1)
 try:
     sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))