renamed right sidetable

ps-grammar/gprs/gprs.jsgf

@@ -39,7 +39,7 @@ public <task> = [<robot_name>] [(would | could) you] [please] <command> [please]
 <second_location> = <appliance_class> | <shelf_class> | <seat_class> | <table_class> | <room_class> | <door_class> | door | seating | utensil | location | room | appliance | shelf | seat | table | somewhere | apartment | furniture;
 
 <appliance_class> = waste_bin | fridge | stove;
-<shelf_class> = bar | side_board | (right side_table) | (left side_table);
+<shelf_class> = bar | side_board | (right sidetable) | (left sidetable);
 <seat_class> = <seating_class>;
 <seating_class> = sofa | armchair | bed;
 <table_class> = (kitchen table) | hallway_table | dinner_table | couch_table ;