diff --git a/README.md b/README.md
index 5357fd7..c4589bb 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,7 @@
 
  App can be installed by YunoHost **admin web-interface** or by **running following command**:
 
-        $ sudo yunohost app install https://github.com/YunoHost-Apps/glpi_ynh
+        $ sudo yunohost app install --debug https://github.com/YunoHost-Apps/glpi_ynh
          
          After Install