diff --git a/main.v b/main.v
index 1d5ce3b..7a736fa 100644
--- a/main.v
+++ b/main.v
@@ -57,30 +57,30 @@ fn write_u32(mut b Bits, value u32) {
 // GZIP
 
 fn write_gzip_header(mut b Bits) {
-	write_byte(mut b, 0x1f)
-	write_byte(mut b, 0x8b)
-	write_byte(mut b, 0x08)
-	write_byte(mut b, 0x00)
-	write_u32(mut b, 0)
-	write_byte(mut b, 0x00)
-	write_byte(mut b, 0x03)
+	write_byte(mut b, 0x1f)   // MAGIC
+	write_byte(mut b, 0x8b)   // BYTES
+	write_byte(mut b, 0x08)   // COMPRESSION (8, DEFLATE)
+	write_byte(mut b, 0x00)   // FLAG (0, NO FIELDS)
+	write_u32(mut b, 0)       // CREATION TIME (FOFERK WAS CREATED AT THE DAWN OF TIME)
+	write_byte(mut b, 0x00)   // XFL (0, SOME SPECIAL COMPRESSION THING, HAS TO BE LIKE THAT)
+	write_byte(mut b, 0x03)   // OS (3, UNIX)
 }
 
 // DEFLATE
 
 fn write_deflate_header(mut b Bits) {
-	write_lsb(mut b, 0x01, 1)
-	write_lsb(mut b, 0x01, 2)
+	write_lsb(mut b, 0x01, 1) // BFINAL (1, LAST BLOCK)
+	write_lsb(mut b, 0x01, 2) // BTYPE  (0, FIXED HUFFMAN TREE)
 }
 
 fn write_foferk(mut b Bits) {
-	write_msb(mut b, 0x96, 8)
-	write_msb(mut b, 0x9f, 8)
-	write_msb(mut b, 0x96, 8)
-	write_msb(mut b, 0x95, 8)
-	write_msb(mut b, 0xA2, 8)
-	write_msb(mut b, 0x9b, 8)
-	write_msb(mut b, 0x50, 8)
+	write_msb(mut b, 0x96, 8) // 'f' + 30
+	write_msb(mut b, 0x9f, 8) // 'o' + 30
+	write_msb(mut b, 0x96, 8) // 'f' + 30
+	write_msb(mut b, 0x95, 8) // 'e' + 30
+	write_msb(mut b, 0xA2, 8) // 'r' + 30
+	write_msb(mut b, 0x9b, 8) // 'k' + 30
+	write_msb(mut b, 0x50, 8) // ' ' + 30
 }
 
 fn write_tokens(mut b Bits, repeat int) {