diff --git a/README.md b/README.md
index f224826..f3329de 100644
--- a/README.md
+++ b/README.md
@@ -14,6 +14,9 @@ Clone this repository and run xo-install.sh script as root
 
 ```
 ./xo-install.sh
+
+for non-interactive update task:
+./xo-install --update
 ```
 
 Tool makes some checks and offers options: