diff --git a/ps-grammar/roboNurse/roboNurse.jsgf b/ps-grammar/roboNurse/roboNurse.jsgf
index 1496f4e6f26ae2bc50270490c4023e273eab43d1..397ad85355f11151747b1e31d81b77ee12b877a8 100644
--- a/ps-grammar/roboNurse/roboNurse.jsgf
+++ b/ps-grammar/roboNurse/roboNurse.jsgf
@@ -8,4 +8,4 @@ public <root> = [tobi] [please] (<command>);
 <pills> = [i need] [my] (pills|pill);
 <pillsspec> = [i need] [the] <properties> (one|bottle);
 
-<properties> = (leftmost|rightmost|blue|red|green|big|small);
+<properties> = (leftmost|right most|blue|red|green|big|small);