diff --git a/README.md b/README.md
index 1bb3b34..6a4df92 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ targeting laptops.
 
 * **supported os**:  win7 , win8 , win10 
 * **requirements**: 
-  * .net4 framework.  (win7 may need to install)
+  * .net4.6.2 framework.  (win7 may need to install)
   * for ddci monitors, ([make sure  ddci is enabled on monitor menu](https://github.com/blackholeearth/Win10_BrightnessSlider/blob/master/enable%20ddc-ci.jpg?raw=true)
 )
   *  make sure you do install/update your graphic driver