diff --git a/ps-grammar/restaurant/ordering.jsgf b/ps-grammar/restaurant/ordering.jsgf
index 1a64144de660e11301207b9ed721e08d151586a1..005cd88eeea51aa97bafaa22b3b96add000fb554 100644
--- a/ps-grammar/restaurant/ordering.jsgf
+++ b/ps-grammar/restaurant/ordering.jsgf
@@ -10,4 +10,4 @@ public <restaurant> = [tobi] [please] bring <objects> to <deliveryLocations>;
 <objects> = <drinks> | <snacks>;
 
 <drinks> = (orange juice) | beer | cola | chocolate_milk | energy_drink | grape_juice | milk | water;
-<snacks> = chocolate_cookies | chips | biscuits | bread | pringles | strawberry_cookies;
+<snacks> = chocolate_cookies | chips | biscuits | bread | pringles | (strawberry cookies);
\ No newline at end of file