diff --git a/InitSNES.asm b/InitSNES.asm
index ce31e1f..6693c87 100644
--- a/InitSNES.asm
+++ b/InitSNES.asm
@@ -1,11 +1,7 @@
 ;------------------------------------------------------------------------
-;-  Standard SNES initialization routine, by Neviksti
+;-  Standard SNES initialization routine, originally by Neviksti
 ;------------------------------------------------------------------------
 
-
-;----------------------------------------------------------------------------
-; InitSNES -- my "standard" initialization of SNES memory and registers
-;----------------------------------------------------------------------------
 .MACRO InitSNES
   sei                     ;disable interrupts
   clc                     ;switch to native mode
diff --git a/header.asm b/header.asm
index eb71980..eded764 100644
--- a/header.asm
+++ b/header.asm
@@ -1,39 +1,32 @@
-;------------------------------ Header File ---------------------------------
-;   This is basically a combo of MarctheMER's and Neviksti's header files
-; Perhaps reading their's will also help your understanding of the header,
-; but I believe this will be the simplest method of defining your header,
-; as Marc's doesn't provide a full explanation, and Neviksti's can be
-; a bit more difficult for beginners (using the WLA directives is easier).
-;----------------------------------------------------------------------------
-
-;==LoRom==      ; We'll get to HiRom some other time.
-.MEMORYMAP                      ; Begin describing the system architecture.
-  SLOTSIZE $8000                ; The slot is $8000 bytes in size. More details on slots later.
-  DEFAULTSLOT 0                 ; There's only 1 slot in SNES, there are more in other consoles.
+; LoRom header.
+
+.MEMORYMAP
+  SLOTSIZE $8000                ; The slot is $8000 bytes in size.
+  DEFAULTSLOT 0                 ; The SNES only has 1 slot.
   SLOT 0 $8000                  ; Define's Slot 0's starting address.
-.ENDME          ; End MemoryMap definition
+.ENDME
 
-.ROMBANKSIZE $8000              ; Every ROM bank is 32 KBytes in size
-.ROMBANKS 8                     ; 2 Mbits - Tell WLA we want to use 8 ROM Banks
+.ROMBANKSIZE $8000              ; Every ROM bank is 32 KB in size.
+.ROMBANKS 8                     ; 8 ROM banks = 2 Mb (256 KB).
 
 .SNESHEADER
-  ID "SNES"                     ; 1-4 letter string, just leave it as "SNES"
+  ID "SNES"
   
-  NAME "PEW PEW              "  ; Program Title - can't be over 21 bytes,
+  NAME "PEW PEW              "  ; Program title. Should be 21 bytes long;
   ;    "123456789012345678901"  ; use spaces for unused bytes of the name.
 
   SLOWROM
   LOROM
 
-  CARTRIDGETYPE $00             ; $00 = ROM only, see WLA documentation for others
-  ROMSIZE $08                   ; $08 = 2 Mbits,  see WLA doc for more..
-  SRAMSIZE $00                  ; No SRAM         see WLA doc for more..
-  COUNTRY $01                   ; $01 = U.S.  $00 = Japan, that's all I know
-  LICENSEECODE $00              ; Just use $00
+  CARTRIDGETYPE $00             ; $00 = ROM only.
+  ROMSIZE $08                   ; $08 = 2 Mbits.
+  SRAMSIZE $00                  ; No SRAM.
+  COUNTRY $01                   ; $01 = U.S.; $00 = Japan.
+  LICENSEECODE $00
   VERSION $00                   ; $00 = 1.00, $01 = 1.01, etc.
 .ENDSNES
 
-.SNESNATIVEVECTOR               ; Define Native Mode interrupt vector table
+.SNESNATIVEVECTOR               ; Native Mode interrupt vector table.
   COP EmptyHandler
   BRK EmptyHandler
   ABORT EmptyHandler
@@ -41,7 +34,7 @@
   IRQ EmptyHandler
 .ENDNATIVEVECTOR
 
-.SNESEMUVECTOR                  ; Define Emulation Mode interrupt vector table
+.SNESEMUVECTOR                  ; Emulation Mode interrupt vector table.
   COP EmptyHandler
   ABORT EmptyHandler
   NMI EmptyHandler
@@ -49,12 +42,14 @@
   IRQBRK EmptyHandler
 .ENDEMUVECTOR
 
-.BANK 0 SLOT 0                  ; Defines the ROM bank and the slot it is inserted in memory.
-.ORG 0                          ; .ORG 0 is really $8000, because the slot starts at $8000
+; Defines the ROM bank and the slot it is inserted in memory.
+; .ORG 0 is really $8000, because the slot starts at $8000.
+.BANK 0 SLOT 0
+.ORG 0
 .SECTION "EmptyVectors" SEMIFREE
 
 EmptyHandler:
-        rti
+  rti
 
 .ENDS
 
diff --git a/pewpew.asm b/pewpew.asm
index 5e9af86..c53a69a 100644
--- a/pewpew.asm
+++ b/pewpew.asm
@@ -38,7 +38,7 @@ Start:
     sta $4200
 
     ; Store zeroes to the controller status registers.
-    ; TODO(mcmillen): is this needed?
+    ; TODO(mcmillen): is this needed? I think the system should do this.
     stz $4218
     stz $4219