diff --git a/tox.ini b/tox.ini
index adb9b551..6883179d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -86,18 +86,21 @@ setenv =
 
 [testenv:docnb]
 base = doc
+description = {[testenv:doc]description} with cached notebook execution
 setenv =
   {[testenv:doc]setenv}
   EXECUTE_NB = yes
 
 [testenv:docnb-force]
 base = doc
+description = {[testenv:doc]description} with notebook execution (no cache)
 setenv =
   {[testenv:doc]setenv}
   FORCE_EXECUTE_NB = yes
 
 [testenv:docnblive]
 base = doclive
+description = {[testenv:doclive]description} with cached notebook execution
 setenv =
   {[testenv:doclive]setenv}
   EXECUTE_NB = yes