diff --git a/README.md b/README.md
index 2dd5538..42ae566 100644
--- a/README.md
+++ b/README.md
@@ -45,9 +45,16 @@ cmds.meshInfo(vtxHash=True, uvHash=True, ptHash=True, noIntermediate
 ## How to build in windows
 ### Requirement
 * Visual Studio 2012 or Build Tool C++ 2012 or higher
+* Maya SDK 2015+
 
-open command shell (**CMD**), change dir into repository directory, then run the follow command
+### Build command
+Arguments:
 ```shell
+make.bat [MayaVersion]
+```
+open command shell (**CMD**), change dir into repository directory, then run the follow command
+```
 make.bat 2020
 ```
 
+