diff --git a/doc/sandbox.mdwn b/doc/sandbox.mdwn
index c09ffde61..9a6f5acde 100644
--- a/doc/sandbox.mdwn
+++ b/doc/sandbox.mdwn
@@ -119,7 +119,7 @@ Test some tags
 [[!taglink tech life linux]]
 
 A poll:
-[[!poll 3 "red" 2 "green" 0 "blue"]]
+[[!poll 3 "red" 2 "green" 0 "blue" 1 "purple"]]
 
 Toggle:
 [[!toggle  id="ipsum" text="show"]]