diff --git a/docs/configuration/testing-behavior.rst b/docs/configuration/testing-behavior.rst
index 951c90ca5..7af9ceedd 100644
--- a/docs/configuration/testing-behavior.rst
+++ b/docs/configuration/testing-behavior.rst
@@ -37,7 +37,7 @@ Warning Behavior
 
 .. note::
 
-    As of now, this feature is only available for the default execution mode ``local``
+    As of now, this feature is only available for the default execution mode ``local`` and for ``virtualenv``
 
 Cosmos enables you to receive warning notifications from tests and process them using a callback function.
 The ``on_warning_callback`` parameter adds two extra context variables to the callback function: ``test_names`` and ``test_results``.