Partial documentation of region map

include/map_preview_screen.h

@@ -49,6 +49,6 @@ void sub_80F85BC(u16 a0);
 u16 sub_80F856C(u8 id);
 bool8 sub_80F8110(u8 mapsec, bool8 forceFirstTime);
 bool32 sub_80F83B0(void);
-const struct MapPreviewScreen * sub_80F8544(u8 mapsec);
+const struct MapPreviewScreen * GetDungeonMapPreviewScreenInfo(u8 mapsec);
 
 #endif //GUARD_MAP_PREVIEW_SCREEN_H