diff --git a/psGrammar/demos/demoDynamic.jsgf b/psGrammar/demos/demoDynamic.jsgf
index 0742387d2619bd3a4c23ef7ff496812865082a8c..873ee068c90d05b83450f949a6b5053e541b3c41 100644
--- a/psGrammar/demos/demoDynamic.jsgf
+++ b/psGrammar/demos/demoDynamic.jsgf
@@ -19,7 +19,7 @@ public <command> = [<robot>] ( <introduce> | <save> | <wave> | <goTo> | <followM
 <describe> = (tell me what you see);
 <difference> = (spot the difference);
 
-#unused
+// unused
 <handover> = handover;
 <ordering> = (start taking orders) | (take my order);
 <learn> = (learn a person);