1 files changed, 5 insertions, 5 deletions
diff --git a/include/gba/m4a_internal.h b/include/gba/m4a_internal.h
index c09cde31f..6e202e7b8 100644
--- a/include/gba/m4a_internal.h
+++ b/include/gba/m4a_internal.h
@@ -45,8 +45,8 @@ struct WaveData
 
 #define TONEDATA_TYPE_CGB    0x07
 #define TONEDATA_TYPE_FIX    0x08
-#define TONEDATA_TYPE_SPL    0x40
-#define TONEDATA_TYPE_RHY    0x80
+#define TONEDATA_TYPE_SPL    0x40 // key split
+#define TONEDATA_TYPE_RHY    0x80 // rhythm
 
 #define TONEDATA_P_S_PAN    0xc0
 #define TONEDATA_P_S_PAM    TONEDATA_P_S_PAN
@@ -241,9 +241,9 @@ struct MusicPlayerTrack
     u8 wai;
     u8 patP;
     u8 repN;
-    u8 gat;
+    u8 gateTime;
     u8 key;
-    u8 vel;
+    u8 velocity;
     u8 run;
     u8 keyM;
     u8 pitM;
@@ -365,7 +365,7 @@ extern const u8 gNoiseTable[];
 
 extern const struct PokemonCrySong gPokemonCrySongTemplate;
 
-extern const struct ToneData gUnknown_0842FC88;
+extern const struct ToneData voicegroup_842FC88;
 
 extern char gNumMusicPlayers[];
 extern char gMaxLines[];