diff --git a/Probas.py b/Probas.py
index ccfa45e..dacf513 100755
--- a/Probas.py
+++ b/Probas.py
@@ -371,3 +371,5 @@ def basic_demo():
 stats_NFBP_iter(10**3, 10)
 print("\n\n")
 stats_NFDBP(10**3, 10, 1)
+
+print("Don't run code you don't understand or trust without a sandbox")