diff --git a/README.md b/README.md
index 4129037..e2a9a68 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,9 @@ Update: <br><br>
 -----------------------------------------------------
   v1.2-20170302<br><br>
   NOTE:if you are using the newest Raspbian version:2017-03-02<br>
-  you need to additional excute this two command bellow after Step1,2,3 excuted:<br><br>
+  you need to additional excute this two command bellow after Step1,2,3 beed excuted,<br>
+  if not so,the Resistive touch to reverse or cannot be calibrated.<br>
+  This additional two command bellow just for Raspbian-2017-03-02:<br><br>
 ```sudo dpkg -i -B xserver-xorg-input-evdev_1%3a2.10.3-1_armhf.deb```<br>
 ```sudo cp -rf /usr/share/X11/xorg.conf.d/10-evdev.conf /usr/share/X11/xorg.conf.d/45-evdev.conf```<br><br>