fixup! demoDyn update - merge who&introduce

psGrammar/demos/demoDynamic.jsgf

@@ -5,7 +5,7 @@ public <command> = [<robot>] ( <introduce> | <save> | <wave> | <goTo> | <followM
 
 <robot> = (tobi | robot | tiago);
 
-<introduce> = (intruduce yourself) | (who are you);
+<introduce> = (introduce yourself) | (who are you);
 <save> = (save location);
 <wave> = (wait for me);
 <goTo> = (go to location);