diff --git a/README.md b/README.md
index 3d93b18..fb79820 100644
--- a/README.md
+++ b/README.md
@@ -2,14 +2,18 @@
 
 Porting project of Hunt on Windows.
 
-Hunt is a part of bsd-games, and it used to can be only run on Linux/Unix.
-So we make a porting base on Cygwin and msys2.
+Hunt is a part of bsdgames, which could not be run on Windows.
+So we make a porting using Cygwin and msys2.
+
+See [bsdgames](https://packages.debian.org/wheezy/bsdgames).
 
 ## Instructions
 
+### Get the source code
+
 ### Environments
 
-You should have Cygwin on Windows or msys on Windows with the ``ncurses`` lib.
+You should have Cygwin on Windows or msys2 on Windows with the ``ncurses`` lib.
 
 ### Make
 
@@ -20,20 +24,24 @@ Just get into the root directory of this repo and type `make`.
 patch.c at hunt/, hunt.c and otto.c at hunt/hunt.
 
 
-## patch.h
+### patch.h
 
 Included by **otto.c**.
 
-Some defination like `sigblock`, `sigmask`, etc, are added here.
+Some definations like `sigblock`, `sigmask`, etc, are added here.
 
-These code are copyed from **glibc**.
+These code are copied from **glibc**.
 
 
-## hunt.c
+### hunt.c
 
 Add check `ip->ifa_broadaddr` against `NULL`.
 
 
-## otto.c
+### otto.c
 
 Include ../patch.h.
+
+## Run
+
+First you should disable the network cards until only one of them is available, and then open hunt.exe via programs like mintty.exe.