diff --git a/README.md b/README.md
index a2f3c0f..9d5f617 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
-NextionDriverInstaller
-======================
+NextionDriver Installer and Checker
+===================================
+
+##NextionDriver Installer
 
 This is the installer program for NextionDriver for those who do
 not want to do it by hand.
@@ -42,3 +44,34 @@ go !
 ```
 sudo NextionDriverInstaller/install.sh
 ```
+
+
+##NextionDriver Checker
+
+This programs tries to check the MMDVMHost and NextionDriver
+configuration.
+
+### Checking NextionDriver installation (on Pi-Star)
+
+log in to your Pi-Star with SSH
+
+* use PuTTY
+* or go to your dashboard -> configuration -> expert -> SSH access (http://pi-star.local/admin/expert/ssh_access.php)
+
+go to the /tmp directory
+```
+cd /tmp
+```
+
+get the installer
+```
+git clone https://github.com/on7lds/NextionDriverInstaller.git
+```
+
+go !
+```
+sudo NextionDriverInstaller/check_installation.sh
+```
+
+The program then gives a lot of information about the installation
+of the NextionDriver and if it seems to be OK or not.
diff --git a/NextionDriver_InstallationChecker b/check_installation.sh
similarity index 100%
rename from NextionDriver_InstallationChecker
rename to check_installation.sh