diff --git a/tox.ini b/tox.ini
index 94e8c96d18..7fccab1232 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ warnings-to-errors = -Werror
 
 
 [testenv]
+description = Run pytest under {envpython}
 deps = -rrequirements{/}tox-py.in
 install_command =
   {envpython} \