Clean up pokemon/ball/dex mentions in comments

src/sound.c

@@ -463,9 +463,9 @@ void PlayCryInternal(u16 species, s8 pan, s8 volume, u8 priority, u8 mode)
     SetPokemonCryChorus(chorus);
     SetPokemonCryPriority(priority);
 
-    // This is a fancy way to get a cry of a pokemon.
+    // This is a fancy way to get a cry of a Pokémon.
     // It creates 4 sets of 128 mini cry tables.
-    // If you wish to expand pokemon, you need to
+    // If you wish to expand Pokémon, you need to
     // append new cases to the switch.
     species = SpeciesToCryId(species);
     index = species % 128;