Update README.md

SysCall/README.md

@@ -4,3 +4,4 @@ This chapter describes the `system call` concept in the linux kernel. You will s
 couple of posts which describe the full cycle of the kernel loading process:
 
 * [Introduction to system call concept](http://0xax.gitbooks.io/linux-insides/content/SysCall/syscall-1.html) - this part is introduction to the `system call` concept in the Linux kernel.
+* [How the Linux kernel handles a system call](http://0xax.gitbooks.io/linux-insides/content/SysCall/syscall-2.html) - this part describes how the Linux kernel handles a system call from an userspace application.