Document dodrio berry picking

include/dodrio_berry_picking.h

@@ -1,7 +1,7 @@
 #ifndef GUARD_DODRIO_BERRY_PICKING_H
 #define GUARD_DODRIO_BERRY_PICKING_H
 
-void StartDodrioBerryPicking(u16 a0, void (*callback)(void));
+void StartDodrioBerryPicking(u16 partyId, void (*exitCallback)(void));
 void IsDodrioInParty(void);
 void ShowDodrioBerryPickingRecords(void);