Document landmark setting and item balls

data/maps/Route103/map.json

@@ -191,7 +191,7 @@
       "movement_range_y": 1,
       "trainer_type": "0",
       "trainer_sight_or_berry_tree_id": "0",
-      "script": "Route103_EventScript_290CE5",
+      "script": "Route103_EventScript_ItemGuardSpec",
       "flag": "FLAG_ITEM_ROUTE_103_GUARD_SPEC"
     },
     {
@@ -282,7 +282,7 @@
       "movement_range_y": 1,
       "trainer_type": "0",
       "trainer_sight_or_berry_tree_id": "0",
-      "script": "Route103_EventScript_290CF2",
+      "script": "Route103_EventScript_ItemPPUp",
       "flag": "FLAG_ITEM_ROUTE_103_PP_UP"
     }
   ],