Document PSS functions

include/pokemon_summary_screen.h

@@ -4,6 +4,7 @@
 void ShowPokemonSummaryScreen(u8 mode, void *mons, u8 monIndex, u8 maxMonIndex, void (*callback)(void));
 void sub_81C4F98(u8, void(*)(void));
 void ShowSelectMovePokemonSummaryScreen(struct Pokemon *, u8, u8, MainCallback, u16);
+void ShowPokemonSummaryScreenSet40EF(u8 mode, struct BoxPokemon *mons, u8 monIndex, u8 maxMonIndex, void (*callback)(void));
 
 // The Pokemon Summary Screen can operate in different modes. Certain features,
 // such as move re-ordering, are available in the different modes.
@@ -11,7 +12,7 @@ enum PokemonSummaryScreenMode
 {
     PSS_MODE_NORMAL,
     PSS_MODE_UNK1,
-    PSS_MODE_UNK2,
+    PSS_MODE_BOX,
     PSS_MODE_SELECT_MOVE,
 };