Update: 经高人指点英文readme

Author: Sn0rt

README.md

@@ -1,38 +1,32 @@
-# linux exploit development tutorial
+# Linux exploit development tutorial
 
 ## What's this ?
 
-A series tutorial for linux exploit development to newbie.
+A series of tutorial for Linux exploit development to newbie.
 
-The test machine is ubuntu 14.04 which was default install.
+The test machine is ubuntu 14.04 which was a default installment.
 
 *Read this in other languages: [English](README.md), [简体中文](README-zh.md).*
 
 ## How to organize ?
 
 ### chapter 1: Basic knowledge
 
-base knowledge like : what's stack and heap ? how convert c language to assembly language ? what's elf and memroy layout? etc..
+basic knowledge : what's stack and heap ? how to convert c language to assembly language ? what's ELF and memroy layout? etc.
 
-base vulnerability problems like : what's is overflow and memory corruption ? how heap working ? etc...
+basic vulnerability problems : what is overflow and memory corruption ? how does the heap work ? etc.
 
 ### chapter 2: Stack security
 
-this chapter focus userspace stack security mechanism and bypass.
+this chapter focuses on userspace stack security mechanism and bypass.
 
 ### chapter 3: Heap security
 
-this chapter focus the security mechanism of heap in modern linux.
+this chapter focuses on security mechanism of heap in modern linux.
 
 ### chapter 4: Kernel security
 
-this chapter focus the mechanism security of modern linux kernel (2.6.32) and later
-
-### chapter 5: Vulnerability discovery
-
-(WIP)
-
-this chapter is a new filed to me.
+this chapter focuses on mechanism security of modern linux kernel (2.6.32) and  to me.
 
 ## How to modify and update ?