diff --git a/doc/source/shared/_includes/installation-prereqs.rest b/doc/source/shared/_includes/installation-prereqs.rest
index 59f1da097..8a5d06e90 100644
--- a/doc/source/shared/_includes/installation-prereqs.rest
+++ b/doc/source/shared/_includes/installation-prereqs.rest
@@ -33,12 +33,13 @@ Before attempting to install |prod|, ensure that you have the following:
 
     .. code-block::
 
-        update-iso.sh -i <input bootimage.iso> -o <output bootimage.iso>
+        update-iso.sh --initial-password <password> -i <input bootimage.iso> -o <output bootimage.iso>
             [ -a <ks-addon.cfg> ] [ -p param=value ]
             [ -d <default menu option> ] [ -t <menu timeout> ]
             -i <file>: Specify input ISO file
             -o <file>: Specify output ISO file
             -a <file>: Specify ks-addon.cfg file
+            --initial-password <password>: Specify the initial login password for sysadmin user
             -p <p=v>:  Specify boot parameter
 
             Example: