fix typos

SysCall/README.md

@@ -6,4 +6,4 @@ This chapter describes the `system call` concept in the linux kernel.
 * [How the Linux kernel handles a system call](syscall-2.md) - this part describes how the Linux kernel handles a system call from an userspace application.
 * [vsyscall and vDSO](syscall-3.md) - third part describes `vsyscall` and `vDSO` concepts.
 * [How the Linux kernel runs a program](syscall-4.md) - this part describes startup process of a program.
-* [Implementation of open system call](syscall-5.md) - this part describes implementation of the [open](http://man7.org/linux/man-pages/man2/open.2.html) system call.
+* [Implementation of the open system call](syscall-5.md) - this part describes implementation of the [open](http://man7.org/linux/man-pages/man2/open.2.html) system call.

SysCall/syscall-5.md

@@ -1,4 +1,4 @@
-How does open system call works
+How does the `open` system call work
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 Introduction