diff --git a/README.md b/README.md
index 9468673..d91048d 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,10 @@
 - press mouse4 to disable visible check
 # how to use
 ## guest
--  to bypass EAC detection,use ctrl+h to replace "serial-string" to anything you want. better with VMprotect
+-  to bypass EAC detection,use ctrl+h to replace "serial-string" to anything you want.
+-  in  Guest: main.cpp,overlay.cpp,overlay.h
+-  in CustomOverlay: main.cpp
+-  better with VMprotect
 -  release x64, use custom overlay.
 ## linux
  - change no-recoil strength in Game.cpp