diff --git a/audio/engine.asm b/audio/engine.asm
index 50f2f5843..1560cbd8b 100644
--- a/audio/engine.asm
+++ b/audio/engine.asm
@@ -1775,7 +1775,7 @@ Music_Vibrato: ; e8882
 	swap a
 	srl a ; halve
 	ld e, a
-	adc a, 0; round up
+	adc 0 ; round up
 	swap a
 	or e
 	ld [hl], a
diff --git a/engine/pokemon/bills_pc_top.asm b/engine/pokemon/bills_pc_top.asm
index 1e808c02c..e25381e29 100644
--- a/engine/pokemon/bills_pc_top.asm
+++ b/engine/pokemon/bills_pc_top.asm
@@ -96,9 +96,9 @@ _BillsPC: ; e3fd
 	dw BillsPC_SeeYa
 
 .items ; e4c4
-	db 5
+	db 5 ; # items
 	db 0 ; WITHDRAW
-	db 1;  DEPOSIT
+	db 1 ; DEPOSIT
 	db 2 ; CHANGE BOX
 	db 3 ; MOVE PKMN
 	db 4 ; SEE YA!
diff --git a/home/copy2.asm b/home/copy2.asm
index 23e1eca7f..63f3cfafb 100644
--- a/home/copy2.asm
+++ b/home/copy2.asm
@@ -1,7 +1,7 @@
 CopyBytes:: ; 0x3026
 ; copy bc bytes from hl to de
-	inc b  ; we bail the moment b hits 0, so include the last run
-	inc c  ; same thing; include last byte
+	inc b ; we bail the moment b hits 0, so include the last run
+	inc c ; same thing; include last byte
 	jr .HandleLoop
 .CopyByte:
 	ld a, [hli]
@@ -39,8 +39,8 @@ SwapBytes:: ; 0x3034
 
 ByteFill:: ; 0x3041
 ; fill bc bytes with the value of a, starting at hl
-	inc b  ; we bail the moment b hits 0, so include the last run
-	inc c  ; same thing; include last byte
+	inc b ; we bail the moment b hits 0, so include the last run
+	inc c ; same thing; include last byte
 	jr .HandleLoop
 .PutByte:
 	ld [hli], a