Comments updated.

Author: AleksaMCode

boot.s

@@ -5,6 +5,8 @@ FLAGS    equ  MBALIGN | MEMINFO ; this is the Multiboot 'flag' field
 MAGIC    equ  0x1BADB002        ; 'magic number' lets bootloader find the header
 CHECKSUM equ -(MAGIC + FLAGS)   ; checksum of above, to prove we are multiboot
 
+; Declare a multiboot header that marks the program as a kernel. These values are documented in the multiboot standard.
+; The bootloader will search for this signature in the first 8 KiB of the kernel file, aligned at a 32-bit boundary.
 section .multiboot
 align 4
 	dd MAGIC

timer.c

@@ -9,7 +9,7 @@ static void timer_callback(registers_t regs)
 
 void init_timer(u32int frequency) 
 {
-    // Registrujemo timer_callback da bi radili interrupti
+    // Register timer_callback that allows interrupt usage.
     register_interrupt_handler(IRQ0, &timer_callback);
 
     // The value we send to the PIT is the value to divide it's input clock